MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of a link farm is a common tactic for initial access via spearphishing attachments.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://etre-belle.su/images/file/29801427337.pdf In PDF document text
- http://euredit-editions.com/userfiles/file/tosun.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a812a4e34fc---79357244078.pdfIn PDF document text
- http://drentmedischadvies.nl/uploads/files/85817643057.pdfIn PDF document text
- https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/0258f316302b86faf62b8c079991db2a/31402370058.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/40617234cba80a07fa1ed015e9e5c136/96906743401.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e620fd3d6f3---47241308779.pdfIn PDF document text
- http://songhandiban.com/uploadfile/file/2021080414091973499.pdfIn PDF document text
- http://jump360.co/upload/files/20210619090219.pdfIn PDF document text
- http://musikpark-live.de/userfiles/file/pibedopikivuwedi.pdfIn PDF document text
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/e2bf19280fe4656f7abd5a057966a033/nusofapo.pdfIn PDF document text
- http://leebyunghun.org/new/upload/board/files/70708610676.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160724a5b89b88---tudaxuvajubo.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1610e2f889826c---33489923563.pdfIn PDF document text
- http://scvumaichiramen.com/uploads/files/xexosisasinulipun.pdfIn PDF document text
- http://acunambalaj.com/adenoto/upload/files/bazifide.pdfIn PDF document text
- https://anthonygillant.com/userfiles/file/73067385572.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/womoniwixatofofutolokinop.pdfIn PDF document text
- https://chaplains-camps.org/upload_picture/file/42517042518.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/0b96l2mf2vq0bjc538uhokdbp1/4070717811.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6be53c39f---24582657584.pdfIn PDF document text
- http://sweetbasketsbyjackie.com/clients/864293/File/xupejiro.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/4879e6cafef510e3653d8a845c4be449/pometojalex.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160de022e0fa40---48272572070.pdfIn PDF document text
- https://dildendilecevirievi.com/upload/ckfinder/files/wanulowefowinunapij.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=free+auto+clicker+for+roblox+no+downloadPDF 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_off0000f905.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF905 | 10796 bytes |
SHA-256: 67e374bbdf00fc41f029edb7e6dd1c2874fc8c3d88492b362c525145524192a0 |
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font_01_sfnt_off0001120d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1120D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A1F | 16364 bytes |
SHA-256: 4e1ff0b428dc3eaa394524a6f3baae1ffd094e9bfdd4a09f33beb24f4be7be0f |
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