MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, embedding numerous URLs that lead to compromised WordPress sites and disposable hosting. These links, often containing search terms like 'play store download', suggest a phishing or credential harvesting campaign.
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://catamma.ru/uplcv?utm_term=play+store+download+for+laptop+windows+7+ultimate PDF link annotation
- https://suacuacuontoanphat.com/upload/files/pemewuf.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/40833423744.pdfIn PDF document text
- http://ahchala.com/img/file/bomosa.pdfIn PDF document text
- http://yizhu580.com/ckfinder/userfiles/files/57629795654.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/dodiz.pdfIn PDF document text
- https://darshanam.com/ckfinder/userfiles/files/silenesev.pdfIn PDF document text
- https://armenia4d.com/contents/files/46517687266.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/8q49tjlhct3upn6fo1p11fdtc7/zidudunobenoz.pdfIn PDF document text
- https://suma.ca/upload/editor/file/xipadoweburetux.pdfIn PDF document text
- http://benevolo.it/userfiles/files/xupaj.pdfIn PDF document text
- https://kimansion.com/uploads/file/womibamabedo.pdfIn PDF document text
- http://kondicionery-shodnya.ru/upload_picture/file/91309309593.pdfIn PDF document text
- https://butzbacher.turnpoint.jo/app/webroot/upload/files/milezurovik.pdfIn PDF document text
- http://walosports.cl/userfiles/file/45791118370.pdfIn PDF document text
- https://bisnismedsos.com/userfiles/file/53093351910.pdfIn PDF document text
- https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/80689171829.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613b98053eaaf---86988561297.pdfIn PDF document text
- http://abwmercury.com/uploads/files/44759820957.pdfIn PDF document text
- https://pharmawell.eu/ckfinder/userfiles/files/43815001646.pdfIn PDF document text
- http://banghetretruc.com/media/ftp/file/96520203042.pdfIn PDF document text
- http://caramelitos.sk/files/mimoviguxabatolituv.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16137bd9ad0776---32840552915.pdfIn PDF document text
- https://cam-ceeds.org/ckfinder/userfiles/files/kozagiwurowuwas.pdfIn PDF document text
- http://fujavietnam.com/images/Download/17326202915.pdfIn PDF document text
- 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_off0000c150.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC150 | 11012 bytes |
SHA-256: 0a36f87fa001fe7ca5c6a331e741a207cc75389e8bda338c84dec3325a11f10f |
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font_01_sfnt_off0000db0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB0E | 18108 bytes |
SHA-256: 98395b740f2e75a4a34c50e6ad80a907cbe68d9b0952216ea73912c33d0e62e2 |
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font_02_sfnt_off000109b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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