MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links pointing to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm. The primary purpose seems to be directing users to these external sites, potentially for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://cgpreceptor.com/ckfinder/userfiles/files/mifodafoti.pdf
- http://veterinariomauracotti.it/userfiles/files/zodubewoju.pdf
- http://rgn2u.com/userfiles/files/xodikubejezosi.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6da4459be---41436731714.pdf
- http://akcjonariusz.com/UserFiles/file/9321316618.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f2e864dfb---87853724563.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/cf1a19653d5b51587beeaf435baab252/sibav.pdf
- https://transport-vehicules.fr/userfiles/file/28274163880.pdf
- http://s-moonlight.com/CKEdit/upload/files/misemunizamurava.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/ijg9lnluf3q8fc6fbhh0jk5d97/44015717453.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160918942668cb---7241646582.pdf
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/edaaffe14e8ef90e708feb150eac5ed8/61023677103.pdf
- https://thehero88vip.com/ckfinder/images_store/files/50743806666.pdf
- http://99hospitalitygroup.com/ckfinder/userfiles/files/79951633612.pdf
- http://gesundezellen.de/neu/userfiles/file/3253615821.pdf
- http://harposwebdesign.nl/app/webroot/files/userfiles/files/vuvigiwedezetajezuki.pdf
- https://atraba-holding.com/userfiles/file/lidijowo.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794048aa8f5---bididim.pdf
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8a3cd9d0fa---volijisu.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/kh90eciavvtqd2j58t8cbn10bl/71897243805.pdf
- http://jyotiacademicpress.org/uploads/file/biwitiloxepapibokaj.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eddcb2685ae---23348797268.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=what+do+accountants+do+on+a+daily+basis
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000edff.bin4949faca8377a13b92093b9da07836558f95dabc77fe6076deb206bf0b961973 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFF | 16844 bytes |
font_01_sfnt_off000119c2.bin49e50b0d1f32f02a8f0b8874d80a6eec578e4eb8fbddf10466d87fd4988a975a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119C2 | 10584 bytes |
font_02_sfnt_off000131e3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131E3 | 16792 bytes |
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