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 and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting, suggesting a phishing or spam campaign. The primary purpose appears to be directing users to external, potentially malicious 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://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160976f0f38364---18056704377.pdf In PDF document text
- http://jakebenmd.com/clients/0/0e/0eef9d569b11303d075d19626cc6f958/File/59426036609.pdfIn PDF document text
- https://kanalprofi.at/UserFiles/file/mewowobopanafeketarusite.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/58801714f6626977b34c0ba0c8aa671d/6088064285.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/pffq7c3bbre6ai2hbd331vt5j0/gibinuxunewurugawudugamok.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcf2a50df7---tinex.pdfIn PDF document text
- http://broadgatecapital.com/userfiles/file/86713396539.pdfIn PDF document text
- http://toyotarent.kr/FileData/ckfinder/files/20210604_CBACD8834AC9BA6D.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/16071b95c350bb---13342708907.pdfIn PDF document text
- https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/p1e12jpjlh6qc304bcl2r204t0/libasapufasutemew.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/98cd5b9528796cec6cbbe04399116746/miweti.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/34e668547c664482e66c511a11927567/68662873699.pdfIn PDF document text
- http://kiszelyugyvediiroda.hu/docs/file/loboje.pdfIn PDF document text
- http://plafondchauffant.fr//img/user/file/jegudufazomanuruge.pdfIn PDF document text
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/88876692a45428acadf301620fc5590a/29455814103.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/ngfLrbzwjls/uplcv?utm_term=nmat+rc+practicePDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4FE | 2856 bytes |
SHA-256: 4d00d9a42b8c0a6281c6f91ecd2d6619cfd6d2fee89e9d65d4cff6ecb559f56b |
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font_01_sfnt_off0000ff28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF28 | 4836 bytes |
SHA-256: 5e7a0bfc9b3805c7ab8975cf2a648bee14f1cac0295e44845a504d8910c5968a |
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font_02_sfnt_off00010f84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F84 | 11524 bytes |
SHA-256: a78513a2b5b8fbaa1fe51c113ddfc13321015ef5da13b94b831cb551f83b2f47 |
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