MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to a variety of domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to redirect users, with ClamAV identifying it as a phishing trojan. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 https://philabc.ru/uplcv?utm_term=iphone+13+price+in+bangladesh+2020
- http://kadh.kr/bobod/upload/file/loboritimagoladofalosi.pdf
- https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/8913da6099e096c29188ef51b1dfb5f1/fevuvedez.pdf
- http://upakuika.com/img/file/sadekaleji.pdf
- http://tochalco.com/uploads/files/padorukupelap.pdf
- https://oferta.lt/i/File/mudokinijuxejepigujejo.pdf
- http://iweldbot.com/ckfinder/pho/files/lexibubedak.pdf
- https://dejavuruse.com/userfiles/file/86003949910.pdf
- http://ppfi-online.com/userfiles/file/jamepuzupidu.pdf
- http://hyundaidongdo3s.com/images/files/33086631102.pdf
- http://www.sandipmallick.com/fckimages/file/2222670569.pdf
- http://smartpaintingplus.com/userfiles/files/samokegabebefumuwom.pdf
- http://worldprint.su/userfiles/file/kakezevonizofigixipikarew.pdf
- http://sinoscaform.com/upload/ckimg/files/202109092131341240.pdf
- http://auksozvynas.lt/userfiles/file/poketuwafijagesexotuwe.pdf
- http://bahtiyardishekimi.com/fckfiles/file/5362835263.pdf
- https://trimix.bg/UserFiles/File/webivofuwiluwuw.pdf
- http://energosol.pl/images_cms/file/pelaw.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161353bdfa6ff0---darijek.pdf
- http://mp-journal.com/media/file/durepaxanajarumim.pdf
- https://ijfbacknumber.com/editor_up/67356158560.pdf
- http://szamosiszerviz.hu/feltoltott/files/20818172034.pdf
- https://hglobaltourb2c.com/FileData/ckfinder/files/20210906_8E9BB66621953F14.pdf
- http://maroba-zirndorf.de/file/83862608379.pdf
- http://kooijobs.in/ckfinder/userfiles/files/gusokepikejimivasilu.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161367b8c9fdaf---72066535815.pdf
- https://www.agcontraincendios.es/ckfinder/userfiles/files/safesimaxadag.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_off0000d9ce.bin0599cd9990e03e820a3ded575cc2663d3d97c8b5d80e105c699ca35e6643f0cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9CE | 17472 bytes |
font_01_sfnt_off0001073e.binfb8c77c65996a54db26ce0b826878bd5142e645d42317a607d60b571969d9c1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073E | 11252 bytes |
font_02_sfnt_off0001212a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1212A | 16792 bytes |
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