MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it's a link farm and a callback phishing lure. Although no executable scripts were extracted, the document's structure and embedded URLs suggest it is designed to trick users into initiating contact, likely for a scam. The presence of numerous external links, many pointing to potentially disposable domains, further supports a phishing or scam-related attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/poxukemedu.pdf In PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/f46b5d9d137eac29aa4bfef7becd2666/41278538928.pdfIn PDF document text
- http://bienbao.net/uploads/files/45843536767.pdfIn PDF document text
- http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fijuxasisanunajubawel.pdfIn PDF document text
- https://kebecelectrique.com/upload/editor/file/beduluwojukes.pdfIn PDF document text
- http://noithatlekhanh.com/Images_upload/files/14886763105.pdfIn PDF document text
- http://ekbdrive.ru/ckfinder/userfiles/files/bizaxilevumasezebopad.pdfIn PDF document text
- http://cartopack.be/Images/file/71554085715.pdfIn PDF document text
- http://skolicka.eu/foto/images/file/fopike.pdfIn PDF document text
- https://fentesmakina.com/paket/upload/files/remuxexiludegafiku.pdfIn PDF document text
- http://letnipohar.cz/upload/file/renono.pdfIn PDF document text
- https://sandp-engineering.com/ckfinder/userfiles/files/1584009919.pdfIn PDF document text
- http://getwealthythisyear.com/ckfinder/userfiles/files/49355418714.pdfIn PDF document text
- https://csmgh.net/pevron/www/img/file/87224306351.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/rj80efv4epfifvrvgk2l6fp4oh/luxijimoluvaxotufol.pdfIn PDF document text
- http://noahmission.org/dataroom/file/naxanuwuxa.pdfIn PDF document text
- http://eatatrudy.com/uploads/files/vunoz.pdfIn PDF document text
- http://abwcolley.com/uploads/files/98354496142.pdfIn PDF document text
- http://musiclivemarsala.com/userfiles/files/tenuluxoputesebe.pdfIn PDF document text
- http://dautuck.com/uploads/userfiles/file/lifagirun.pdfIn PDF document text
- http://hairfibers24.com/upload/file/vokusewekafuwupejipop.pdfIn PDF document text
- https://unicon-msk.ru/data/files/jarekizukis.pdfIn PDF document text
- http://agierresrl.it/userfiles/files/54213455771.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+export+contacts+to+new+phonePDF 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_off0000b77c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB77C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cf8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF8E | 16016 bytes |
SHA-256: 93ec5729776b85616e9d34a80e59daa0ef590500a97bdc21e50b83b676ff787c |
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font_02_sfnt_off0000f818.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF818 | 10512 bytes |
SHA-256: 72b00936871a67747eeab0b1e6f46df6f539dc6cd302beb4a8a8698cf90d7b0e |
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