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 0.9776
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 https://www.jsif.org/sites/default/files/webform/meratasadif.pdf In PDF document text
- https://www.woonsocketri.org/system/temporary/webform/konoju.pdfIn PDF document text
- http://www.pacificsportfraservalley.com/sites/default/files/webform/zajufofagobixipisuna.pdfIn PDF document text
- http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/41850888982.pdfIn PDF document text
- https://www.a1touchsolution.nl/sites/default/files/73086307569.pdfIn PDF document text
- https://grossenbacher.co.nz/en/system/files/avoidance-training-certificates/4264017636.pdfIn PDF document text
- https://www.dgs-interparts.be/sites/default/files/bipaxuvimul.pdfIn PDF document text
- https://www.mainephilanthropy.org/sites/default/files/ziladiweropisikiforab.pdfIn PDF document text
- https://extranet.blanchisserie-toulousaine-de-sante.com/sites/extranet.blanchisserie-toulousaine-de-sante.com/files/documents/justificatifs/bugoxugokerudanetisene.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/25507329945.pdfIn PDF document text
- http://oaklandchildcare.org/sites/default/files/webform/70037852461.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=adding+and+subtracting+fractions+word+problems+grade+7+pdfPDF link annotation
- https://lib.asu.edu/system/files/webform/90369837207.pdfIn PDF document text
- https://ec.europa.eu/eip/agriculture/sites/default/files/webform/56905881998.pdfIn PDF document text
- https://drones.princeton.edu/system/files/webform/vijebutipide.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/68382108709.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/sutuzosugogaw.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_off0000e4dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4DC | 5776 bytes |
SHA-256: 43602f63671a1ca9046234f8a4a0d44f7c8d12142cd26a26d3638ef6fb5e8bc2 |
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