MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a callback phishing lure. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it is designed to trick users into initiating contact with a malicious actor, likely for financial gain or credential theft. The presence of numerous links to PDF files on various domains indicates a link farm used to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://www.tiande-global.com/ckfinder/userfiles/files/xazix.pdf In PDF document text
- http://kenshopvn.com/uploads/files/fisax.pdfIn PDF document text
- https://candbco.com/ckfinder/userfiles/files/9197490881.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/161324798106e2---fepalavejafesagakax.pdfIn PDF document text
- http://seednseed.com/admin/fckfiles/file/29242305040.pdfIn PDF document text
- https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/zufumasuxobotafativosawa.pdfIn PDF document text
- http://laconchigliacasevacanze.it/userfiles/files/24863686982.pdfIn PDF document text
- http://air-con.ru/upload/files/dufobexemumogixixezobomeg.pdfIn PDF document text
- http://katour.ru/admin/ckfinder/userfiles/files/27742040784.pdfIn PDF document text
- http://www.hgekc.com/media/userfiles/file/17999024945.pdfIn PDF document text
- https://bepxuyenviet.com/upload/files/dumugezedufevafiji.pdfIn PDF document text
- http://gachmenminhchien.com/media/ftp/file/70223933501.pdfIn PDF document text
- https://bisleriuber.genefied.co/ckfinder/userfiles/files/58444076925.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/55869944321.pdfIn PDF document text
- http://maychaybocaocap.com/app/webroot/uploads/files/29862112935.pdfIn PDF document text
- https://maconlux.ovh/userfiles/files/40540830611.pdfIn PDF document text
- http://ediljolli.com/userfiles/files/67097421442.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/st00tk9teq60h9s5s3r6kvmcil/10869872066.pdfIn PDF document text
- http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/totemidekevefegad.pdfIn PDF document text
- https://eccdc.org/application/webroot/userfiles/file/japojozero.pdfIn PDF document text
- https://togeltop.net/contents/files/sesefepofagup.pdfIn PDF document text
- https://pomtco.com/technical/files/file/ketamurubojopakafugawelo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+add+open+with+option+in+androidPDF 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_off0000b356.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB356 | 19364 bytes |
SHA-256: 7cb48c5f1c196aa810609b7f3033c4a3cb6b1bf2f759c4d4ca269ecfdfa10e07 |
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font_01_sfnt_off0000e60d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE60D | 10352 bytes |
SHA-256: 67fb95524c485d9c085000e4958ecf682749a2b27caceb7e480b395b627badf6 |
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font_02_sfnt_off0000fd57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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