MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document that employs a fake invoice lure, aiming to deceive users into clicking a malicious link. The embedded JavaScript and the high-risk heuristics indicate that the PDF is designed to redirect users to phishing websites, as evidenced by the URL pointing to a compromised WordPress upload storage. The ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.6414
Heuristics 8
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=behavioral+interview+answers+for+administrative+assistant PDF link annotation
- http://www.clc-engineering.com/siteuploads/editorimg/file/figufabapesofevev.pdfIn PDF document text
- https://ivanda-commerce.hr/userfiles/file/1960848091.pdfIn PDF document text
- http://scoutpate.de/userfiles/file/93003147338.pdfIn PDF document text
- http://pscworld.eu/ckfinder/userfiles/files/52671454730.pdfIn PDF document text
- http://sterenstein.ru/userfiles/file/89042121095.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616a5e47b9653---62731859713.pdfIn PDF document text
- http://prosefkuchare.cz/userfiles/dulolimopagi.pdfIn PDF document text
- http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/79294695558.pdfIn PDF document text
- http://www.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/dijuvanilixifedidilanugob.pdfIn PDF document text
- https://oteaexpert.fr/cite_imgs/file/xorofimapefozuxidofile.pdfIn PDF document text
- http://quatangsongvan.com/hinhanh_fckeditor/file/67141400588.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/pisubiruvulevewinara.pdfIn PDF document text
- http://braghieriarchitettura.com/userfiles/files/wufeb.pdfIn PDF document text
- https://performanshost.com/calisma2/files/uploads/jovitobemavukaxowufowo.pdfIn PDF document text
- https://oazapiekna.com/zdjecia/fck/file/joxozawazev.pdfIn PDF document text
- https://www.escolamacrobiotica.pt/backoffice/assets/js/kcfinder/upload/files/96162601059.pdfIn PDF document text
- https://anyimaker.com/upload/users/files/zajuxuvo.pdfIn PDF document text
- https://oancora.com/ckfinder/files/pevugozu.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/25899144549.pdfIn PDF document text
- https://szemvidito.hu/sfwkr/feltoltesek/Images/Image/xenifamemokiboweri.pdfIn PDF document text
- https://inwestorfinanse.pl/userfiles/file/jewumosalolonokiwet.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16160bd1b317f9---boravizo.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/lbga0na1jl8lnr10nutulb347v/sizakos.pdfIn PDF document text
- http://abakus-routing.co.uk/ckfinder/userfiles/files/bexuvipasuzoxusuken.pdfIn PDF document text
- https://infotechloyalty.com/bot/ckfinder/uf/files/tuxofagokigotivezinakeril.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/mf919lcb818f1adupbo21i6fsp/79310755702.pdfIn PDF document text
- http://www.szphotar.com/admin/img/files/fedimagidi.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161e2fa3178582---88029759451.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/91183529699.pdfIn PDF document text
- http://cadex.biz/app/webroot/kcfinder/upload/files/71766808177.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_off0004af4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AF4C | 16560 bytes |
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9 |
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font_01_sfnt_off0004c66c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C66C | 10824 bytes |
SHA-256: afc16fd4226074dd07d57335de6cb337c15914bb05e09d5bb60fe2c34c9c9429 |
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font_02_sfnt_off0004df46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DF46 | 21772 bytes |
SHA-256: 5b12c41fadf04eb122849aebd9800694a968ad9a5071f73048c5c4446bdd4868 |
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