MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple links to potentially compromised WordPress sites, suggesting it's part of a link farm designed to host malicious files. The presence of a 'password-protected archive lure' heuristic indicates the document likely instructs the user to download an archive and provides a password, a common tactic to bypass gateway security. ClamAV also detected this file as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/27ecdee2309227cd4099ebc211e3df56/80837006589.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc828774c1---vapoga.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf50834ade---fixifolukofomivusurefez.pdf
- http://akinmedikal.com/uploads/file/lisuzisu.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/4765adb7c794d8a830eba75c41126718/nadoloxu.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160758f8b205d4---leluxivi.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/40f5fa25f9a9edc90550bb2768355672/39841247158.pdf
- http://arci-mp.fr/admin/File/sanet.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/5ohl76889qiusoc3ners4s6co0/47338529621.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ffe9e7eb99---62729405433.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/0jev1dotcplv55smj774o8997n/92390281383.pdf
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/7m1iskm3qnonn0c8btpa9601br/98540427078.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b110b8f43e---zamuridapekigawugow.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608f565fd299b---kerepugomewilegipuzi.pdf
- http://fouladsazanco.com/Upload/file/vegiduwamijogov.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/8356ded98a74fbf72c0e85b3b11277ad/83724071559.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=penumbra+overture+full+version
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000106a8.bin6e07f433bf715f686cd95a6d68630dfa53f37bfb9a1dc28396fec7ce7842cc7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A8 | 5116 bytes |
font_01_sfnt_off000117ff.bin78575aa0cbf84aad17fad0aac010f87a15886d12ca78184ebee9d93146b1563c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117FF | 11196 bytes |
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