MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, and heuristic analysis indicates it functions as a link farm, likely intended to redirect users to malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.7698
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/34782296767.pdf In PDF document text
- http://www.pbttphtk.gov.my/sites/default/files/webform/fadubapep.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/9027254294.pdfIn PDF document text
- https://vectorcorp.net/sites/default/files/webform/resume/dutaberapowuniz.pdfIn PDF document text
- https://www.ofalloncasting.com/sites/default/files/webform/tirudekamevajoluzagobumi.pdfIn PDF document text
- http://spotlight-sites.com/sites/default/files/webform/4279473489.pdfIn PDF document text
- https://www.dgs-interparts.be/sites/default/files/jinez.pdfIn PDF document text
- https://www.jwico.com/sites/default/files/webform/koxajupenukolipidawikopi.pdfIn PDF document text
- http://oaklandchildcare.org/sites/default/files/webform/85278691340.pdfIn PDF document text
- http://seiary.com/sites/default/files/webform/rec/11252708720.pdfIn PDF document text
- http://oaklandchildcare.org/sites/default/files/webform/85322732160.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/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=sexlab+aroused+ssePDF link annotation
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/86402477901.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/luzixuganigofifabeja.pdfIn PDF document text
- https://minorsoncampus.princeton.edu/system/files/webform/wetesagepe.pdfIn PDF document text
- https://printandmail.princeton.edu/system/files/webform/21250884575.pdfIn 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_off0000d4a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4A9 | 4560 bytes |
SHA-256: 3ef492b022d8ebbe7a94ea8d80f73826a9fb58f880b9ca2220f46ab98acd28fd |
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font_01_sfnt_off0000e4b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B0 | 5128 bytes |
SHA-256: cb14004ee0627c7aba47e52c84fa63d5bb793ea531a9364b50b74ce8b698303c |
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