MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using small PDFs on disposable hosting for link farming, often associated with phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://satybharat.com/ci/userfiles/files/66967025405.pdf In PDF document text
- https://zemiigori.com/uploads/file/56440705550.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gerewerazediliti.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/56649846549.pdfIn PDF document text
- http://georgefamilyreunion.org/clients/86186/File/70672058044.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607912e78b6a9---59616836839.pdfIn PDF document text
- http://phantasos.org/userfiles/file/fetaxifoluxorag.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/6347c55574bc2eb01c89087e06ec9fb2/23298572028.pdfIn PDF document text
- http://heizler.hu/files/file/zijatusuwovazu.pdfIn PDF document text
- http://americandeliorder.com/uploads/files/93515900673.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/vemideruluwenanumeruzi.pdfIn PDF document text
- http://innova-perila.ru/upload/files/ledenufiz.pdfIn PDF document text
- https://triangle-electronics.com/assets/userfiles/file/17644035170.pdfIn PDF document text
- http://ufnk.fr/app/webroot/files/file/97803897105.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071869f03109---61514264033.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1608a05f886215---71470838604.pdfIn PDF document text
- http://korean-school.hu/hangul/userfiles/file/dadogejugoxajonudivuder.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/nalazovawubev.pdfIn PDF document text
- http://berbun.com/user_img/file/16895241393.pdfIn PDF document text
- https://infypos.com/infyposcms/media/77921632945.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=differentiate+anaerobic+and+aerobic+respirationPDF 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_off000107ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107AE | 17140 bytes |
SHA-256: 6be8379c30466bd2ed7ddcb8a18a587561af653ac44586d9f6c34b9a79f01b3d |
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font_01_sfnt_off000134a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014cbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CBF | 10708 bytes |
SHA-256: 74eaa6d94d18489247cabe9eb936f1e4f76913578ccaac93b4221ae9a025c79b |
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