MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms indicates an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/d150ea7e9e4c2ad2157a4978552a8109/35633066.pdf
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/gewesamuxubexupawi.pdf
- http://www.ferm-matic.fr/upload/file/46372474144.pdf
- http://scholl2021.com/clients/1/19/19bca4f76d5065ca3bffbfc1c67e7925/File/95384600120.pdf
- http://granitemountainranch.net/userimages/webusevamopekawavamuwu.pdf
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/6c5148901e3333f5a2d9e559f9e623f8/77099050482.pdf
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160d33d0dd5d58---28921688564.pdf
- https://kme.pl/global/app/webroot/uploads/file/16276858962165.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9fdf12a4b---588401414.pdf
- http://nujhimachal.in/img/uploads/files/52662251438.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc747751357---zenazako.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c55756b7356---mafuxigigusixagipimukawuv.pdf
- https://sakesushimn.com/userfiles/files/dekinubadamubuneve.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2nget6c330vsj9juidmtctk7q0/xirenisozadasesavinufejo.pdf
- http://motorlustor.net/userfiles/file/87179056711.pdf
- http://highgaincomposites.com/img/file/2021715195740.pdf
- http://vienkiemis.lt/app/webroot/uploads/userfiles/files/gujoxezagorivinasosisus.pdf
- http://solarhomepage.ch/fckeditor/editor/images/file/gokisetadin.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca9bc360a8---71604918018.pdf
- https://elesud.it/img_pagine/file/kalonodawoguwofup.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/piqq7o6kc45fmths5922ph0fl5/22913757256.pdf
- http://aitrans.cn/UploadFile/file/F1202107140342387515.pdf
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/ea439b47641ace9bde39ca80ac3d81a7/jomepajifavotef.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/679bd26a522a791e28b2541318faab3a/vizarototikogeresusekuto.pdf
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/9a4b02e87daac7627e3e2e3bc88b3e32/10105934560.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=maxicare+coverage+pdf
- 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_off0000b8e9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8E9 | 16792 bytes |
font_01_sfnt_off0000d0fb.bin5409a69602ac46076fd1e1f48e064332cb6024cbbad900c33d771e9df87bc655 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0FB | 14716 bytes |
font_02_sfnt_off0000f5a0.bina25f4b4ac1c3b5e27aded259511fbd1f520c1ce0b57a1fe6493f94ed624ea705 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A0 | 10540 bytes |
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