MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics indicate a likely attempt to lure users to external sites for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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 http://ahkjt.com/upfile/file/65601286771.pdf In PDF document text
- http://hill-macktribe.com/clients/7/78/785e88641dcef8d5cadf71fa969cae92/File/9332958885.pdfIn PDF document text
- http://aftckwt.com/uploads/file/ruveranazomirizoj.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8af70b208---42101081684.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/75740388538.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a099163a134---filazimijuxatiberazub.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d235c4b4e2e---ruragadagidem.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/m665llmgr7kgibnumiu7qia0kd/83012380191.pdfIn PDF document text
- http://av-jet.ru/userfiles/file/zegefi.pdfIn PDF document text
- http://gramercygrand.ru/files/file/mefipex.pdfIn PDF document text
- http://www.darvidproperty.com/news/file/697401349.pdfIn PDF document text
- http://slenderclub.cz/ckfinder/userfiles/files/latuladineraruva.pdfIn PDF document text
- http://kasintorn.com/images/upload/files/70702430750.pdfIn PDF document text
- http://geonatlife.es//ckfinder/userfiles/files/gavufawedonavomefosan.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/966100837ac1c38b83fd3018bbaac443/vunabuwib.pdfIn PDF document text
- http://xahscw.com/userfiles/file/62198111385.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/eb8vba3i733gse66d2l224b1h2/nivubojabewarifuwivi.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/77572877873.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/2887411fa6c488ad6d4378fdf686c022/xunaxedetur.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ab891d96a---62925049582.pdfIn PDF document text
- http://freetourscadiz.com//ckfinder/userfiles/files/zigapas.pdfIn PDF document text
- http://asianmosaicnyc.com/userfiles/file/96793100273.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afabe1e6627---wogag.pdfIn PDF document text
- http://nhadatv.com/webroot/img/files/14433704250.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/kewumipilasibigodazupexet.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=star+trek+the+cage+streamingPDF link annotation
- 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_off0000c074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC074 | 10676 bytes |
SHA-256: 51bddfadc5f1a5a8c7ad79720a40144df3f7408fe7673294325002848fbc84ed |
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font_01_sfnt_off0000d8ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8BA | 16700 bytes |
SHA-256: 402772bfa88ee2fdf7b45aed3023247e6786afba28bef72819ae67a9d0310e3c |
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font_02_sfnt_off0001044b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1044B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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