MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload directories, likely serving as a distribution point for further malicious content. The presence of urgency language suggests a phishing lure to encourage user interaction with the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://primax.fr/wp-content/plugins/super-forms/uploads/php/files/o451gpgnbk49hlrq1kvp0ag1d0/70182279870.pdf In PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/6178c281a58d260ae7c6c1352b93c501/26166683136.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160865d0a26196---98034934687.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/3d0cef51c1f1dabf0194cf518a7ca894/84512614905.pdfIn PDF document text
- http://www.look4job.gr/images/_user_na/file/jovosobikesonoxofoguwe.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/l8nkilo9gfla6nlf59v0iesp09/rafodomixixi.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8571a756a7---45364815660.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/be88fe07387e9abc47165d8044fb44e4/tokevetanutananako.pdfIn PDF document text
- https://digireg.org/upload/malobovuseguwepix.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794765a2b33---46917334056.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/xuleledu.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607962bfd8c09---fixavodebazogemim.pdfIn PDF document text
- https://amrapalispot.com/userfiles/file/63003194217.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160779b7596a5b---22960323743.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/3b0d1c71d1ead116ebfcb889561a6347/64928236790.pdfIn PDF document text
- http://linkingpeople.info/userfiles/file/jijofevoboxugevowiwurapu.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/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=e+commerce+case+study+questions+and+answersPDF 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_off0000fe8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE8D | 5328 bytes |
SHA-256: 45df3d584fa35a1a8ceecdc59345b280a20bbd7348ba5dde575be41f4fc43f64 |
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font_01_sfnt_off000110a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110A3 | 11408 bytes |
SHA-256: 8f1d7a4d9744a13de9a1d44763e15dd4f4d253b4a287240cd9f529b22a873d0f |
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