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 0.7908
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://europa-ts.ru/sites/default/files/webform/sujeludepotunebimetoravij.pdf In PDF document text
- http://www.pbttphtk.gov.my/sites/default/files/webform/32056102714.pdfIn PDF document text
- http://www.guninetwork.org/system/files/webform/heirri_proposals/44437875789.pdfIn PDF document text
- http://www.friendlycc.com/sites/default/files/webform/29579557159.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/fabifuturofutip.pdfIn PDF document text
- http://www.friendlycc.com/sites/default/files/webform/zuguxinukebezukul.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/fzgW7-mxBc0/uplcv?utm_term=dyson+ball+animal+2+vacuum+refurbishedPDF link annotation
- https://www.healthdata.org/sites/default/files/resumes/78922999772.pdfIn PDF document text
- https://umatter.princeton.edu/system/files/webform/requests/roporopapoviz.pdfIn PDF document text
- https://www.ice.cam.ac.uk/sites/www.ice.cam.ac.uk/files/webform/tivajojisepizoni.pdfIn PDF document text
- https://campusrec.princeton.edu/system/files/webform/xapedejezorim.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/boranewibutafale.pdfIn PDF document text
- https://thesanfordschool.asu.edu/sites/default/files/webform/31460711967.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_off0000c91f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC91F | 5692 bytes |
SHA-256: 069cade621b82026814a9ef55a5b9fe077f4189a82bbedd11b2cd8fc263a12bf |
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font_01_sfnt_off0000dc67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC67 | 10640 bytes |
SHA-256: 892749bb1cf6a1d0590875f154c683834c9b6b0cd9e42eaaa12b8ba80780ba2d |
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