MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, indicating it is likely a phishing or malware distribution lure. Multiple heuristics point to the PDF acting as a link farm, directing users to various external URLs hosted on potentially compromised or disposable domains. The presence of numerous unknown URLs suggests a broad attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://htwy.com/upload/file/xotunu.pdf In PDF document text
- http://quickvideo.nl/userfiles/file/93024855093.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160779ef044a29---55396638517.pdfIn PDF document text
- http://hurtmar.pl/Upload/file/48209796914.pdfIn PDF document text
- http://mrpokedb.com/uploads/files/32769409035.pdfIn PDF document text
- https://k-newsletter.com/ckupload/files/54822198511.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/33813210038.pdfIn PDF document text
- https://stmarys-perthamboy.com/upload/File/sizudam.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/87aa8a5704fa68032ea07ecae99469c7/63143503258.pdfIn PDF document text
- https://kp-bs.ru/upload/files/tolufuxodujegadotofuva.pdfIn PDF document text
- http://sashtraayurveda.com/ckfinder/userfiles/files/vomefoxazijesadalidot.pdfIn PDF document text
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/96047880058.pdfIn PDF document text
- http://rauvuonsach.com/images/uploads/files/78860252287.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/s9f24h6c9iqflqotedn4ufu58k/63777511349.pdfIn PDF document text
- http://vinhthuan.vn/upload/files/2089459035.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/vikolamujatejaguzitufelo.pdfIn PDF document text
- https://nmg.lv/img/uploads/files/vetokuworidez.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/b5f21b1df9497e77008209aef0574618/lanipanalagelebiximamef.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/45f0e024c2f6b0ecf730b191bd327147/buwikedefupiridadudo.pdfIn PDF document text
- http://xn--12cmi2byac9cdhd0hra6d7bxkwbgj1gch.com/user_img/files/jegakagisexuji.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160f5120503dad---beraj.pdfIn PDF document text
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/25417cecb41360e57f12d82ceca11c55/2610788182.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e493dfa76---zijugop.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607afab983a9b---93307480421.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=gaudete+piano+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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c748.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC748 | 10316 bytes |
SHA-256: e4c3b9206ffe2b5e5d0def2484db69ac941ed0865c7e86fa52fcc630781ff611 |
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font_01_sfnt_off0000deaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6BC | 17032 bytes |
SHA-256: 386949424f5525c75517d5613dc15b843d5f30526213e7297ec9af351a4ae4c6 |
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