MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with several URLs pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. While no scripts were extracted, the structure and URL findings strongly suggest a phishing or malware distribution attempt via a malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://paramountswimwear.com/userfiles/files/11613418209.pdf In PDF document text
- https://pmms-online.com/assets/file/40968834989.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147ffc51a1ea---mikapusogumiwukumik.pdfIn PDF document text
- http://yoshitomo-kokubunji.com/jcfiles/file/81320455304.pdfIn PDF document text
- http://occahomesearch.com/userfiles/files/85839194288.pdfIn PDF document text
- https://vcvscr.cz/www/www/fckphotos/file/velizideziwip.pdfIn PDF document text
- https://pensiunea-escape.ro/ckfinder/userfiles/files/8329177567.pdfIn PDF document text
- https://krafteco.ru/uploads/files/92464913774.pdfIn PDF document text
- https://jagamimpi.net/contents/files/zokajedavovipeb.pdfIn PDF document text
- http://tourbusan.net/FileData/ckfinder/files/20210918_51517199902A68EA.pdfIn PDF document text
- http://suachuaspa.com/upload/images-content/files/jewosabot.pdfIn PDF document text
- http://chunmianxian.com/upfolder/e/files/20210902075154.pdfIn PDF document text
- https://nistd.in/userfiles/file/80315122158.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351c3264de3---71159504782.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/5029b486243d12777c76ccbd94c8316d/gisorij.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/f7f716c0342febc2b94ff3fa13c48791/84564709354.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/tikugivozufedapubifaxil.pdfIn PDF document text
- https://degardo.hollandpazsit.hu/ckfinder/userfiles/files/zukizatonuk.pdfIn PDF document text
- https://maviet.vn/upload/files/vudowagenesixodevex.pdfIn PDF document text
- http://msslink.ru/userfiles/files/67396577678.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/82611173689.pdfIn PDF document text
- http://phongkhamthienhoa.org/images/files/69277320863.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=what+is+a+tiff+file+vs+pdfPDF 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_off0000ebb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB1 | 10332 bytes |
SHA-256: 14f16b807bbd2d1a30e8386b1628a249c737c337d0af65dd3c8ab530ee5fa023 |
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font_01_sfnt_off00010327.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10327 | 17676 bytes |
SHA-256: 925da5b7ffed99efe351b6a334cd661d1bb382be9e57be420eeeb8dd38e3adf5 |
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font_02_sfnt_off000130ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130EE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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