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, indicating a phishing or malware distribution intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://cructi.ru/uplcv?utm_term=odd+numbers+even+number
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a7549345044---96222354034.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/hm7sju067h12ll7f6le3ajrlu2/25438841617.pdf
- http://ohappy.org/userData/board/file/53692815838.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160985356a8f0b---munanunosumovafojabowusaw.pdf
- http://mega.kz/media/upload/files/dabizaxalabag.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/2sbdqpum9v0uinag3u7jfb4ri1/22460322388.pdf
- http://zpb-maciejewski.pl/upload/fck/file/2473926669.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a11763257---tidudexavulavozet.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756678cbc17---togizegisagewimowevu.pdf
- https://mobilieroccasion.fr/uploads/file/waragerapuwijosisakagap.pdf
- http://statewideroadservices.com/clients/879378/File/10792821676.pdf
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/beb6557b24bfc1204ed3380e74e0cf7d/37505349527.pdf
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc002ad5e9---sigerazitesolefasafa.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d19a57a855e---7580597579.pdf
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/b5cf3376be10b51d6ca833a21f9b7372/81411185176.pdf
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6b17aca254953ca136a7c726877c35c7/24275022805.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071018c4d844---44305649420.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607369f362f3e---musebudizav.pdf
- http://nenkin-t.com/upload_img/ck/files/sewovuliwukijebutameja.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/ebcc052f9cf15259c4a57b157618ac50/gibarewi.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c13cbaf1d04---finobefenosejajamexafaxo.pdf
- http://ghhs1968.com/clients/5/57/5762190d0a265df614d1f295a7060a42/File/zodefitas.pdf
- http://mousike.it/img_ins/files/temuvamabijamate.pdf
- https://securityguardsupply.org/php/uploads/file/lumarekefotewupufawija.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_off0000c9f7.bin4a10d611443d899b287591df0a4d44a21e53674c6c8836854e75078487ab267e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9F7 | 10224 bytes |
font_01_sfnt_off0000e0e9.bin55bdfa429957298a04ae2a93bfd5c36182866b4392e066f0af7e2fcc61eedb01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E9 | 16920 bytes |
font_02_sfnt_off00010d3c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D3C | 16792 bytes |
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