MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains numerous embedded URLs, many of which point to potentially compromised or disposable domains, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating an attempt to manipulate search engine results or distribute malicious content through a network of links. No scripts were extracted, but the overall structure and heuristics point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9547
Heuristics 4
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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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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://oaklandchildcare.org/sites/default/files/webform/80411930416.pdf In PDF document text
- https://ambrose.edu/sites/default/files/webform/durigoxilakomisi.pdfIn PDF document text
- http://klm3fg.grhosting.cz/sites/default/files/webform/files/wajuso.pdfIn PDF document text
- https://www.telluridescience.org/sites/default/files/tstc-applications/pagasumoxozodaxatukaliwus.pdfIn PDF document text
- https://www.ofalloncasting.com/sites/default/files/webform/nunemoxajusadokuxilebe.pdfIn PDF document text
- http://www.pacificsportfraservalley.com/sites/default/files/webform/90877516301.pdfIn PDF document text
- https://extranet.blanchisserie-toulousaine-de-sante.com/sites/extranet.blanchisserie-toulousaine-de-sante.com/files/documents/justificatifs/6659556688.pdfIn PDF document text
- http://www.pbttphtk.gov.my/sites/default/files/webform/238550972.pdfIn PDF document text
- https://www.woonsocketri.org/system/temporary/webform/viwubamonutimujogigifowi.pdfIn PDF document text
- http://www.pbttphtk.gov.my/sites/default/files/webform/xaduxiwipel.pdfIn PDF document text
- http://pilgrimland.com/sites/default/files/webform/resume-uploads/40494538869.pdfIn PDF document text
- https://www.enwidth.com/sites/default/files/webform/resumes/90018929780.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/LPIa9PGmDLg/uplcv?utm_term=charles+atlas+dietPDF link annotation
- https://printandmail.princeton.edu/system/files/webform/zixulupuritijidegebi.pdfIn PDF document text
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/86402477901.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_off00013b41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B41 | 4816 bytes |
SHA-256: ad7a1b341a314ed1261555ce70e97f0d2f58c0e9610ff3474f9f032e2e4fcbbd |
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