MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to potentially malicious or unknown domains, suggesting a phishing or malware distribution attempt. The PDF's structure and embedded content indicate it's designed to deceive users into downloading further malicious content, likely through a link farm strategy.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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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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://seiary.com/sites/default/files/webform/rec/pexutagizoniged.pdf In PDF document text
- https://www.dgs-interparts.be/sites/default/files/viwiredozilopuvotudulufez.pdfIn PDF document text
- https://www.jwico.com/sites/default/files/webform/41164207556.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/seliruni.pdfIn PDF document text
- https://natsihwa.org.au/sites/default/files/webform/46250275999.pdfIn PDF document text
- https://www.jts.org.jo/sites/default/files/webform/nisegat.pdfIn PDF document text
- https://www.blplegal.com/sites/default/files/webform/3097059720.pdfIn PDF document text
- https://web.liderpapel.com/sites/default/files/webform/53484808665.pdfIn PDF document text
- http://pilgrimland.com/sites/default/files/webform/resume-uploads/52872338461.pdfIn PDF document text
- https://www.dgs-interparts.be/sites/default/files/xufatonapa.pdfIn PDF document text
- https://www.enwidth.com/sites/default/files/webform/resumes/zozagosetimof.pdfIn PDF document text
- http://pilgrimland.com/sites/default/files/webform/resume-uploads/2923424149.pdfIn PDF document text
- http://klm3fg.grhosting.cz/sites/default/files/webform/files/6948618973.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=free+pdf+download+built+with+sciencePDF link annotation
- https://drones.princeton.edu/system/files/webform/vijebutipide.pdfIn PDF document text
- https://gradfutures.princeton.edu/system/files/webform/pelafo.pdfIn PDF document text
- https://lib.asu.edu/system/files/webform/bidemuf.pdfIn PDF document text
- https://gradfutures.princeton.edu/system/files/webform/86626084736.pdfIn PDF document text
- https://campusrec.princeton.edu/system/files/webform/7624886728.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ce90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE90 | 5312 bytes |
SHA-256: e26dd4a2ac1f9b3bd4731caa3a33e92402e868c83073231aee49328446999e61 |
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font_01_sfnt_off0000e0a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A1 | 11080 bytes |
SHA-256: b1872c82e8901b5203be5d244d385c95f313e628170508649241dddc6533283c |
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font_02_sfnt_off000106c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106C0 | 16172 bytes |
SHA-256: b6a6ca5d1ececf9b8f85cf34f243a5152d852bd6c46ff1fd844468d100e5349c |
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font_03_sfnt_off00011bdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BDC | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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