MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The file contains numerous links to external websites, many of which are hosted on compromised WordPress sites, suggesting a link farm or phishing lure. The document body is heavily obfuscated and appears to be a mix of metadata and unreadable content, but the presence of external links and the heuristic firings strongly indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b92a3f21b96---67043458402.pdf In PDF document text
- https://sudhirsachdevaclasses.com/ci/userfiles/files/piwimov.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16070dc02ce3cd---68873428532.pdfIn PDF document text
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/36636d053780e59f57d8bbd97fe6c6d9/gifoninavixalu.pdfIn PDF document text
- http://kowel.com/ckfinder/userfiles/files/1622261659.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/f51808ffc937afdb9812fba0f51e649f/jiruvi.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3f43ba08c---38016440959.pdfIn PDF document text
- https://samavetpharm.com/userfiles/files/89807352321.pdfIn PDF document text
- https://alnahamgroup.com/userfiles/file/dofuzapo.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160962bbfc113f---safamipiwelopem.pdfIn PDF document text
- http://anthonyellisonfamilyreunion.com/clients/f/ff/ff850d76676c1858bf5e443b7a907d3b/File/lidifu.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/507845a7ef1afabfdb4d7b0c3459f88c/36870928248.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16087f21fe9fd5---midewosuzevideko.pdfIn PDF document text
- https://binarbaidservices.com/public_html/userfiles/file/96639686806.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/h0bbtc31qe6t34us1kqu4jj7ol/retoxivuja.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=college+physics+openstax+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bb10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB10 | 5396 bytes |
SHA-256: 62632533e4f2e56067a7f7f3cf2966ed6f9f101501a86b7470199f3aeb2245b1 |
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font_01_sfnt_off0000cd81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD81 | 10800 bytes |
SHA-256: bb72b020ade45e53f579a611756c45be4adc8d5091cb6c5045bdededb61bea32 |
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