MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links to compromised websites, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of embedded URLs and the heuristic findings of 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly support a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://laborke.ru/uplcv?utm_term=how+to+make+my+pdf+searchable PDF link annotation
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/0671ce5127a433f22d0ce682c5945e7b/10497022929.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/ccbqqic1e6a99jtu84qb524d4h/gaxinuraletuvorasisil.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16098c270936da---78134737371.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/7a4721f4964f9672344e8481b818c826/14354992366.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16078410ca17b4---bolawekorukeme.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/gemesed.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a02b9d58e---wulopesuba.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/94626037513.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/16bbad1152f1a3e575a0a1d8882c9fb2/2582033190.pdfIn PDF document text
- http://www.cerathai.com/image/upload/File/semegojuju.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3bc818de55---gazomixapukomu.pdfIn PDF document text
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/4735fbf90063f215e762d8b3d98c40fd/18883281236.pdfIn PDF document text
- https://equator-maritime.com/userfiles/file/37888362403.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160724f041f11d---siwobolovuw.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160716835a59f9---55409729758.pdfIn PDF document text
- http://miracleschoolministries.com/survey/userfiles/files/46337438454.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8fc2c7f83---musiloroxobisovufeju.pdfIn PDF document text
- http://appletechsolutions.com/userfiles/file/25421715580.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0001b16a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B16A | 5756 bytes |
SHA-256: 83c884fa2abbd78aa9546d9377d532e635a6a340b153285ce69be0032a9b2f0f |
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font_01_sfnt_off0001c4e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C4E5 | 11628 bytes |
SHA-256: f370648e3fce6b63900cc7b8144d7efc1191b843a500a1d2cfde18a55a35326f |
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