MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9004
Heuristics 4
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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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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/3242210986.pdf In PDF document text
- http://www.guninetwork.org/system/files/webform/heirri_proposals/rarapenebeku.pdfIn PDF document text
- https://www.blplegal.com/sites/default/files/webform/80507347088.pdfIn PDF document text
- http://seiary.com/sites/default/files/webform/rec/11252708720.pdfIn PDF document text
- http://www.friendlycc.com/sites/default/files/webform/29579557159.pdfIn PDF document text
- https://extranet.blanchisserie-toulousaine-de-sante.com/sites/extranet.blanchisserie-toulousaine-de-sante.com/files/documents/justificatifs/ratasivovo.pdfIn PDF document text
- http://www.muttypawsacademy.com/sites/default/files/webform/vaccines/lozege.pdfIn PDF document text
- https://www.enwidth.com/sites/default/files/webform/resumes/21555212736.pdfIn PDF document text
- http://seiary.com/sites/default/files/webform/rec/6045441545.pdfIn PDF document text
- https://www.dgs-interparts.be/sites/default/files/muvok.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/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=beginner+crossfit+workouts+to+do+at+homePDF link annotation
- https://community.princeton.edu/system/files/webform/36479690150.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/53082175038.pdfIn PDF document text
- https://campusrec.princeton.edu/system/files/webform/xapedejezorim.pdfIn PDF document text
- https://gradfutures.princeton.edu/system/files/webform/fumegefexuwonadijot.pdfIn PDF document text
- https://www.ice.cam.ac.uk/sites/www.ice.cam.ac.uk/files/webform/xegenaxug.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/13590028771.pdfIn PDF document text
- https://lib.asu.edu/system/files/webform/dilitopuwivane.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f39b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF39B | 5608 bytes |
SHA-256: 21cb4ef527ea1bd6142ba27a2c685571865a1fb20f9076dfc85dcee44d68b618 |
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