MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains numerous embedded URLs, many of which point to compromised CMS upload directories, suggesting a link farm designed to obscure the true destination. The presence of these links and the overall structure indicate a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/2ca88c12972b8a4322fd3a6cc9ac7370/gukufemefemokoxijeburi.pdf In PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d77e983d4---siwobav.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608558ed95c52---18448459279.pdfIn PDF document text
- http://interiorconsignments.com/media/file/79659668893.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/xepaxudezivolojuki.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfa036b259---70712980235.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e91d0c2a8---donolim.pdfIn PDF document text
- http://altinay-law.com/images/file/sobexupew.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099cfe6264fc---pumitilawuxe.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/jk3f06qocp2plg0vom297jdqc3/63281104994.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a175f6ac4eb---kotidumub.pdfIn PDF document text
- http://lafenicealcamo.it/userfiles/files/tapaxul.pdfIn PDF document text
- https://angelsstaff.com/uploads/file/74091595303.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/12u8f810r81rbp49617b2d4h59/pigugapajogavinedoweraz.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c7560691095---62947217603.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/a48r2mbhcacvsq27hkpnrpkf0g/42750877012.pdfIn PDF document text
- http://ever-pioneer.com/upload/files/zagekuzidaxokapiwizoze.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ebe08efdd---41436535755.pdfIn PDF document text
- https://promise-land.com/upload/file/vapotepobeziruwa.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/km1q74v4sguk8d2qmrjjmp9ava/32932198769.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/jibejejalepede.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=stick+shift+without+clutchPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB11 | 10288 bytes |
SHA-256: 9590604208a6bddbf87fd20f8027f9f72694ea890624a0dd2e13e90520df61b0 |
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font_01_sfnt_off00010262.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10262 | 17160 bytes |
SHA-256: 9244170dc410ec2d93ef4d279c34a44d07a4e019996cf2de6875a47bebf70b27 |
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font_02_sfnt_off00012ec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EC3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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