MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external links, including one identified as an SEO redirector for a 'free-download phishing' lure. The presence of JavaScript and the nature of the links suggest an attempt to download and execute a second-stage payload. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.6618
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=modern+architecture+books+free PDF link annotation
- https://portoggitter.no/content/files/userfiles/file///xusake.pdfIn PDF document text
- https://gerbangkuis.com/contents/files/69350320152.pdfIn PDF document text
- http://www.siposferenc.hu/html/30618141293.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/59700013919.pdfIn PDF document text
- http://lionsmarsala.it/userfiles/files/82769711325.pdfIn PDF document text
- http://gmixlocadora.com.br/admin/kcfinder/upload/files/kixegeworutabitadusun.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1615ade51ba24c---nitoxesojokesinabam.pdfIn PDF document text
- https://hyper.oneewe.com/_img/files/11704238281.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/e588957992b809f6cc48c7565b4cbc95/88093095140.pdfIn PDF document text
- http://ecovn.vn/uploads/news_file/71599447524.pdfIn PDF document text
- https://islamquestions.justaskislam.com/files/file/48953452423.pdfIn PDF document text
- http://matras-devison.com/upload/file/68851788768.pdfIn PDF document text
- http://volvo-cars.jp/js/upload/files/gewafojo.pdfIn PDF document text
- https://mangalargalux.com.br/ckfinder/userfiles/files/lejugafibatoxosupexavuw.pdfIn PDF document text
- http://pol2-simf.ru/userfiles/file/2581030986.pdfIn PDF document text
- http://ottuk-e.org/userData/board/file/lipexaberagowedujixofa.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/xazorisudamewize.pdfIn PDF document text
- http://myjobcareer.net/userfiles/file/2021070918580773499.pdfIn PDF document text
- http://samvalentim.pt/assets/kcfinder/upload/files/68658299960.pdfIn PDF document text
- http://bephoangdung.vn/uploads/ckfinder/files/xuzerol.pdfIn PDF document text
- https://www.verimevzabavu.cz/ckfinder/userfiles/files/318991909.pdfIn PDF document text
- http://abwsalisbury.com/uploads/files/janubipejasoguzigutap.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/b68e94453a543fb5e908835d28b2a8a1/xidixa.pdfIn PDF document text
- http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sepevafuwofofexizezok.pdfIn PDF document text
- http://tuning-zone.eu/userfiles/file/40056139881.pdfIn PDF document text
- http://for-man-woman.ru/userfiles/files/mudufisunivaxeni.pdfIn PDF document text
- http://marcobernini.it/userfiles/files/xorafepawi.pdfIn PDF document text
- http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/vejazivevisonezazogon.pdfIn PDF document text
- http://elitakhealing.com/ckfinder/userfiles/files/22255530002.pdfIn PDF document text
- https://hinodanang.com/uploads/image/files/90293390882.pdfIn PDF document text
- http://www.ih-consultant.com/ckfinder/userfiles/files/milapirufipudi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000418c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x418C8 | 16560 bytes |
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9 |
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font_01_sfnt_off00042fe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x42FE8 | 10852 bytes |
SHA-256: 74eb6a8a1aea1558cbe61d12d7febe5b06665d89e57c93238643adc5114ba8c9 |
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font_02_sfnt_off000448eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x448EB | 18436 bytes |
SHA-256: 788226216ba0bde09acc92e301c25949c099716a43560842aa474f2b1d81ec09 |
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