MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, many of which are hosted on seemingly legitimate domains but are likely part of a link farm or phishing campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. Although no scripts were explicitly extracted, the PDF structure and embedded links suggest it's designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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://grossenbacher.co.nz/en/system/files/avoidance-training-certificates/13471650610.pdf In PDF document text
- http://russian-ice-spb.ru/sites/default/files/webform/files/69309865186.pdfIn PDF document text
- https://www.blplegal.com/sites/default/files/webform/80507347088.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/26147793628.pdfIn PDF document text
- https://architecturaldesigninc.com/sites/default/files/vudezuluxi.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/24974410021.pdfIn PDF document text
- https://www.jts.org.jo/sites/default/files/webform/1653940235.pdfIn PDF document text
- http://spotlight-sites.com/sites/default/files/webform/4279473489.pdfIn PDF document text
- https://www.osgeurope.com/sites/osg-corporate.dev/files/webform/povufukawonafano.pdfIn PDF document text
- http://seiary.com/sites/default/files/webform/rec/11252708720.pdfIn PDF document text
- https://www.woonsocketri.org/system/temporary/webform/makepepatamizozixijefawop.pdfIn PDF document text
- https://web.liderpapel.com/sites/default/files/webform/wavunivuzabanovomid.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/BkSY9tpko7c/uplcv?utm_term=polk+audio+surroundbar+3000+resetPDF link annotation
- https://printandmail.princeton.edu/system/files/webform/26360011081.pdfIn PDF document text
- https://www.ice.cam.ac.uk/sites/www.ice.cam.ac.uk/files/webform/ruwitik.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/36479690150.pdfIn PDF document text
- https://ec.europa.eu/eip/agriculture/sites/default/files/webform/66140853426.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/58023923203.pdfIn PDF document text
- https://campusrec.princeton.edu/system/files/webform/rilawadabovoxilezevateg.pdfIn PDF document text
- 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d096.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD096 | 5328 bytes |
SHA-256: ba1c2668ba64a94eac22430adea82f712f1796d234c50fa1d0b5729d76517740 |
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font_01_sfnt_off0000e2c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2C1 | 10888 bytes |
SHA-256: 7e61bcf850b563e2c604d2022aa105bc9df88ff11d5d57cb9d9ede3bfb172f6d |
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