MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, including one identified as a phishing redirector. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary attack vector appears to be a phishing lure disguised as a document, redirecting users to a malicious site via a compromised WordPress upload URL.
Machine Learning
- Nyx PDF Classifier malicious score 0.5358
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://cafij.co.za/XSRYdR1H?utm_term=colorectal+cancer+treatment+guidelines+ppt PDF link annotation
- http://chataphan.com/file_media/file_image/file/81056000112.pdfIn PDF document text
- https://www.quartzlock.com/userfiles/files/5764002407.pdfIn PDF document text
- https://springfordfarm.com/sites/default/files/uploads/file/jolofajulitiwito.pdfIn PDF document text
- https://topas-septiki.com/media-temp/img/uploads/files/dobifugudigeg.pdfIn PDF document text
- http://dvif.fr/userfiles/file/tagizenamap.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/162185437307c5---mupivogavetakijamorav.pdfIn PDF document text
- https://sabatti.hu/admin/kcfinder/upload/files/34499962359.pdfIn PDF document text
- http://sportsgarten.com/editorData/file/2210236275.pdfIn PDF document text
- http://veterina-hrib.cz/user-uploads/files/xamopudugenafupubebamusu.pdfIn PDF document text
- http://boldogelet.hu/media/fijepidoziz.pdfIn PDF document text
- https://galaxytraining.examinationonline.com/files/95307433374.pdfIn PDF document text
- http://tcgardening.com/userfiles/file/2022030316471073499.pdfIn PDF document text
- https://www.aatae.pt/backoffice/assets/js/kcfinder/upload/files/nofaz.pdfIn PDF document text
- http://arndt-fahrschule.de/userfiles/file/73395535064.pdfIn PDF document text
- http://ttech.com.vn/ckeditor/kcfinder/upload/files/57855885252.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1621bc7284acbc---reviwokinekofilazos.pdfIn PDF document text
- https://drhuanghair.com/uploads/files/202202221951091024.pdfIn PDF document text
- https://www.yukule.com/ToBeDeleted/admin-assets/js/ckeditor_4.6.2_standard/kcfinder/upload/files/24817228948.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/tafamupegab.pdfIn PDF document text
- https://www.italianamaterassi.it/admin/kcfinder/upload/files/44198518331.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621dc50b239ad---71240513527.pdfIn PDF document text
- http://kingalbertltd.com/uploadedfiles/file/rasek.pdfIn PDF document text
- http://nieruchomoscikomercyjne.co/files/file/bakaferu.pdfIn PDF document text
- http://z-sinpro.com/upload/files/13877668575.pdfIn PDF document text
- https://www.t-med.kz/app/webroot/js/kcfinder/upload/files/rijoxadumevexafonudavulux.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/162218c9daecbf---53141523927.pdfIn PDF document text
- http://lexprikson.com/admin/style/images/userfiles/file/4856191762.pdfIn PDF document text
- http://gemeinschaftshaus-grossmuss.de/demo/admin/editor/kcfinder/upload/files/20861765885.pdfIn PDF document text
- http://dobre-jaja.com/Upload/file/64768197922.pdfIn PDF document text
- http://www.cidadania23pr.org.br/ckeditor/kcfinder/upload/files/gipefegu.pdfIn PDF document text
- https://thermocalnepal.ramjanki.com/ckeditor/kcfinder/upload/files/14242226227.pdfIn PDF document text
- https://beehaviour.nl/userfiles/file/pofuniwupitabubapam.pdfIn PDF document text
- https://lentes123.com/aym_image/files/lokivutivalul.pdfIn PDF document text
- https://kimansion.com/uploads/file/51624293153.pdfIn PDF document text
- http://123flower.doweb.kr/upload/files/foguxakalixoluvixodagu.pdfIn PDF document text
- https://www.yukule.com/ToBeDeleted/admin-assets/js/ckeditor_4.6.2_standard/kcfinder/upload/files/26439695285.pdfIn PDF document text
- http://s292376414.onlinehome.fr/datas/imgmail/file/nasosagavoliputufe.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00046197.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46197 | 16220 bytes |
SHA-256: 207eb3b51995adbdef2a766e0364e2c2ee182a7f0f0647c12a4a3807efc046f6 |
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font_01_sfnt_off0004777b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4777B | 16560 bytes |
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9 |
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font_02_sfnt_off00048e96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48E96 | 19864 bytes |
SHA-256: db8818a71f504bb06e226cd7d7fd5a1fe616349e3f7588fb9ad71779e985adec |
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font_03_sfnt_off0004c3ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C3BA | 10988 bytes |
SHA-256: de19747ab9e817fc886cbd3917a76bf8a12b30e2259e3f75832ab0a6f8c3feb7 |
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