MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with one specifically pointing to a suspicious domain ('vilenefex.ru') and framed as a crossword clue. The ClamAV detection and ML classifier strongly indicate maliciousness, likely related to phishing or a link farm for SEO manipulation. No scripts were extracted, but the embedded URLs and the PDF structure suggest an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://vilenefex.ru/123?utm_term=windows+spreadsheet+programme+crossword+clue
- http://newberginvestmentproperty.com/the_girl_with_the_dragon_tattoo_2009_moviebxy87.pdf
- http://kefets.xyz/bexogsp550.pdf
- https://static.s123-cdn-static.com/uploads/4408324/normal_6008c05e16d83.pdf
- https://cdn-cms.f-static.net/uploads/4465389/normal_6050f3f53c94b.pdf
- https://tamukatiraf.weebly.com/uploads/1/3/4/7/134766395/sumosajaze.pdf
- http://electorat.org/download_windows_7_launcher_for_android_tabletmz3x5.pdf
- https://xamudoniganotew.weebly.com/uploads/1/3/4/5/134509964/tovinemaworivajur.pdf
- https://xakebugus.weebly.com/uploads/1/3/4/0/134018628/1632b27bfce4a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/18030688-7b88-4a96-98ae-630f80f39207/23606625401.pdf
- https://s3.amazonaws.com/rojalexipokadaz/fijowididivifodasa.pdf
- https://uploads.strikinglycdn.com/files/5f12bbe8-ba6e-4b75-8d2b-d031bbc7716a/dlink_dir-868l_firmware_upgrade.pdf
- https://uploads.strikinglycdn.com/files/4be86f3c-09d6-4f93-b804-6d6c046e6174/17624694000.pdf
- https://s3.amazonaws.com/warapagefasovi/carnatic_songs_lyrics.pdf
- https://s3.amazonaws.com/vososasoxumete/compound_word_worksheets_1st_grade.pdf
- https://uploads.strikinglycdn.com/files/1d5ea0c4-79e4-4c7a-ad35-9b99e7f27a09/12289417921.pdf
- https://uploads.strikinglycdn.com/files/89560103-1e9b-45e2-831a-1b17a52976f6/fonomaxomoxazajibirov.pdf
- https://s3.amazonaws.com/lijopavexanuse/singer_featherweight_221_accessories.pdf
- https://uploads.strikinglycdn.com/files/758ebcfd-56aa-477f-85c8-f247862379ec/82621612210.pdf
- https://uploads.strikinglycdn.com/files/b56b0143-be6d-4d7b-9116-fcff7179059d/40380262476.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c432.binaedbf05585c5be6ff2160445fc06d3fff12f494d3d06c5535a4f19d55c55436c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC432 | 5476 bytes |
font_01_sfnt_off0000d6b9.bin5d4f040f8079acc5a935c82c7cf1554bd54ec176a0f248dd388804b6c20a1c95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B9 | 9828 bytes |
font_02_sfnt_off0000f862.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF862 | 4324 bytes |
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