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 0.9621
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.blplegal.com/sites/default/files/webform/89971565628.pdf In PDF document text
- http://www.pacificsportfraservalley.com/sites/default/files/webform/banofamuwidobekoke.pdfIn PDF document text
- http://www.sumnercountyhospital.org/sites/default/files/webform/72664382884.pdfIn PDF document text
- https://www.mainephilanthropy.org/sites/default/files/kimakevenowafuxopepasu.pdfIn PDF document text
- http://www.muttypawsacademy.com/sites/default/files/webform/vaccines/2944445507.pdfIn PDF document text
- https://web.liderpapel.com/sites/default/files/webform/xikamiwaboloz.pdfIn PDF document text
- http://spotlight-sites.com/sites/default/files/webform/44923699615.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/~3/1xuhb7AK25c/uplcv?utm_term=how+to+sync+vizio+sound+bar+with+cable+remotePDF link annotation
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/gijewosatesozug.pdfIn PDF document text
- https://umatter.princeton.edu/system/files/webform/requests/72435273025.pdfIn PDF document text
- https://umatter.princeton.edu/system/files/webform/requests/tutoturabawukaxubudevodor.pdfIn PDF document text
- https://www.vub.be/sites/vub/files/webform/pagilavamuvawasaxega.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_off0000c737.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC737 | 5584 bytes |
SHA-256: d1264a1715c38d8204848aff77b0b6b8d954d3c920ed81938bdddd461d1d42cf |
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font_01_sfnt_off0000da2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA2C | 10536 bytes |
SHA-256: 7fbefdd4997edc48e071d55738bb71dce3804a10a4b5351d4932da865adffe21 |
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