MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, a common tactic for phishing and malware distribution. The presence of external URIs and the overall structure suggest an attempt to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9729
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://www.termis.org/system/files/webform/88699151804.pdf In PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/53132673180.pdfIn PDF document text
- http://www.sumnercountyhospital.org/sites/default/files/webform/xubapubawaral.pdfIn PDF document text
- https://aboss.by/sites/default/files/webform/pibodanagulevegomenet.pdfIn PDF document text
- http://russian-ice-spb.ru/sites/default/files/webform/files/69309865186.pdfIn PDF document text
- http://klm3fg.grhosting.cz/sites/default/files/webform/files/22206840813.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/93477879009.pdfIn PDF document text
- https://www.natsihwa.org.au/sites/default/files/webform/81826716543.pdfIn PDF document text
- http://spotlight-sites.com/sites/default/files/webform/44923699615.pdfIn PDF document text
- https://www.enwidth.com/sites/default/files/webform/resumes/43403042061.pdfIn PDF document text
- https://aboss.by/sites/default/files/webform/12404161593.pdfIn PDF document text
- https://web.liderpapel.com/sites/default/files/webform/21411595718.pdfIn PDF document text
- http://www.pbttphtk.gov.my/sites/default/files/webform/xaduxiwipel.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/GLLx1DTH0VQ/uplcv?utm_term=mini+dv+transfer+to+dvd+servicePDF link annotation
- https://drones.princeton.edu/system/files/webform/dovekilubexuvizufak.pdfIn PDF document text
- https://lib.asu.edu/system/files/webform/rutepirunumobapof.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_off0000dd14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD14 | 5048 bytes |
SHA-256: 5bf4d8a4d85036f33aea4b123a2e3e7df0503c20d3ccf69dc5d5b7e2edeff21c |
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