MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
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 0.9620
Heuristics 5
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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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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.a1touchsolution.nl/sites/default/files/73086307569.pdf In PDF document text
- https://www.pharoxglobal.com/sites/default/files/webform/7322176875.pdfIn PDF document text
- https://www.blplegal.com/sites/default/files/webform/32112495638.pdfIn PDF document text
- http://portal-mysigma.com/system/files/student-proof/pifudolaloxafedotodela.pdfIn PDF document text
- https://www.enwidth.com/sites/default/files/webform/resumes/90018929780.pdfIn PDF document text
- http://www.sumnercountyhospital.org/sites/default/files/webform/bavowusakixonodokuja.pdfIn PDF document text
- http://www.sumnercountyhospital.org/sites/default/files/webform/zupusozuxabodes.pdfIn PDF document text
- https://www.a1touchsolution.nl/sites/default/files/rowiduw.pdfIn PDF document text
- https://web.liderpapel.com/sites/default/files/webform/wavunivuzabanovomid.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/9979090083.pdfIn PDF document text
- http://russian-ice-spb.ru/sites/default/files/webform/files/69309865186.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/kepasibadugemefobovabo.pdfIn PDF document text
- http://klm3fg.grhosting.cz/sites/default/files/webform/files/mimixinaxeralowevowijut.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/68038126183.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/DOqCt-cVA4I/uplcv?utm_term=pdf+digital+marketing+tutorialPDF link annotation
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/kizoromafogikigogusebef.pdfIn PDF document text
- https://thesanfordschool.asu.edu/sites/default/files/webform/99818817157.pdfIn PDF document text
- https://ec.europa.eu/eip/agriculture/sites/default/files/webform/77241298986.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/78922999772.pdfIn PDF document text
- https://campusrec.princeton.edu/system/files/webform/26909318775.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_off0000f1be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1BE | 5116 bytes |
SHA-256: e3a6229b24086f5209e46688554795f2499704683a0e2cc5af93a05962e25c1a |
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font_01_sfnt_off00010315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10315 | 11088 bytes |
SHA-256: a4bdf209abc49aeb38b17a769f3db4bf3d69ac28b345c742a66d4b567c90cd83 |
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