MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd3fad1fc68---82351906190.pdf In PDF document text
- https://cihangirhotel.com/upload/ckfinder/files/wuvixekesene.pdfIn PDF document text
- http://flygarfield.net/userfiles/file/41007317692.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080baffbc4d0---bemizijesisapo.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1609687e174a07---38297650967.pdfIn PDF document text
- https://protrialse.eu/files/files/4603395660.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ad61ebdf21e---72021247904.pdfIn PDF document text
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/kosc55nfucba1bcri7m37p96fs/35480124026.pdfIn PDF document text
- http://campingwithconvenience.com/files/files/vipidejorexidone.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/dio55ei2opfg8lfrp5c0q6un4q/74266591400.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/fi24u4gq1gdpmhqqtb5q2ma000/pofivefosasozok.pdfIn PDF document text
- http://ekolojikweb.net/upld/userfiles/file/62317480893.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/9d8abcfe2905a0dd2712d4ec14d62fe4/80026439570.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cdbe6d406f1---26311375254.pdfIn PDF document text
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/31f6b5a40da816bda1a39bdbb06ae0bd/53417684755.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a6db3418fe6---sitalujazaziz.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/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=escalation+matrix+template+excelPDF 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_off0000dd30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD30 | 5104 bytes |
SHA-256: 13fb499e100537d854d340c45ab31a6d1b08cd70062855dd48ad80b96bd4cb04 |
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font_01_sfnt_off0000ee7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE7D | 9992 bytes |
SHA-256: 4c22609ac8dfbfdeae22e5813257c84b1d07103b1fa7f93bbf82f689dd5bb54c |
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