MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which appear to be compromised or disposable hosting, suggesting a link farm used for phishing or malware distribution. The presence of a 'download button' heuristic further supports a lure-based attack. ClamAV detection as 'Pdf.Phishing.Trojan' confirms the malicious nature. While no scripts were explicitly extracted, the overall structure and URL findings indicate a likely attempt to trick the user into downloading a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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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://laborke.ru/uplcv?utm_term=tomtom+one+update+maps+free+download
- http://vinabomi.com/uploads/userfiles/file/82486965501.pdf
- https://acronimocostanzo.com/userfiles/file/33137561905.pdf
- https://keralahappyjourney.com/ckfinder/userfiles/files/4770693623.pdf
- http://grawerlik.pl/userfiles/file/digemerikuti.pdf
- https://deniz-sogutma.org/img/userfiles/file/sukilumolux.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a519f2a74ab---riberotopezuxizuroju.pdf
- http://timavoshipsupply.it/userfiles/file/13221230874.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/4890863a27c1dd993c15327d7c5d4014/73827851493.pdf
- http://resumesfromabove.com/userfiles/file/liluwososamiladumatip.pdf
- https://songhong.info/userfiles/file/konoginovi.pdf
- http://garmagostaran.com/Upload/file/busubodagebepujidamesikaj.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4c5e2653f---wejuvemik.pdf
- http://thucancakoihikari.com/luutru/files/luxud.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb279c0ab4---lolijesikajazidaxuliwewel.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/55b8fb9d589f949ece4babaf9069f6e7/mukuzareforu.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/3d4082a03939453b810d2b5bae7fc02d/1881425816.pdf
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a473842caea---197151751.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083fff77d53f---zapuvitagedivedorek.pdf
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/c883a4e039231cc55dd7bdcc567f737b/28478463142.pdf
- http://www.anclupnapoli.it/userfiles/file/xexudamutofetinolid.pdf
- http://mikomisushiwc.com/uploads/files/lenajimiwot.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16073ee95842b5---sonajovupa.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719f9b46cab---74561214050.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_off0000e674.binb0e154d62e46540679ffdbd27638e5eca38d06c58d560534a04781e7a8dc33f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE674 | 17144 bytes |
font_01_sfnt_off00011300.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11300 | 16792 bytes |
font_02_sfnt_off00012b17.binf823b1e0eb70df575d75e37077ac89696bea85f86b0ff1606651973f450b445c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B17 | 10716 bytes |
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