MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, suggests a lure related to a user manual. The presence of numerous external URIs, many on disposable hosting, and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest this PDF is part of a link farm designed to distribute malware or conduct phishing. No scripts were extracted, but the overall structure and heuristics point to a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.7986
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/nibobuzokojovafizuza.pdf In PDF document text
- http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/48103714077.pdfIn PDF document text
- https://www.jwico.com/sites/default/files/webform/47965191786.pdfIn PDF document text
- https://www.natsihwa.org.au/sites/default/files/webform/72917344941.pdfIn PDF document text
- https://extranet.blanchisserie-toulousaine-de-sante.com/sites/extranet.blanchisserie-toulousaine-de-sante.com/files/documents/justificatifs/ratasivovo.pdfIn PDF document text
- http://www.muttypawsacademy.com/sites/default/files/webform/vaccines/89533113822.pdfIn PDF document text
- http://www.muttypawsacademy.com/sites/default/files/webform/vaccines/taxevoxasubosiwugudabi.pdfIn PDF document text
- https://aboss.by/sites/default/files/webform/pibodanagulevegomenet.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/sovurusogizafubeb.pdfIn PDF document text
- http://klm3fg.grhosting.cz/sites/default/files/webform/files/16831560309.pdfIn PDF document text
- http://spotlight-sites.com/sites/default/files/webform/wokasonexigugeb.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/fzgW7-mxBc0/uplcv?utm_term=bose+lifestyle+48+user+manualPDF link annotation
- https://www.healthdata.org/sites/default/files/resumes/muvebijamalixodimobowase.pdfIn PDF document text
- https://drones.princeton.edu/system/files/webform/janewif.pdfIn PDF document text
- https://lib.asu.edu/system/files/webform/53252105934.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_off0000ebf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF8 | 5228 bytes |
SHA-256: 1eb86f0524c15944293818d1a739b0869a12e6c9f807462aaf76f7fb729acea6 |
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