MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable hosting, indicating a link farm or SEO manipulation tactic. The embedded URL `https://vilenefex.ru/strik?utm_term=what+is+the+line+for+presidential+succession` suggests a lure related to presidential succession, likely to drive traffic to malicious or ad-heavy sites. ClamAV and ML classifiers also flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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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 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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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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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/strik?utm_term=what+is+the+line+for+presidential+succession PDF link annotation
- https://cdn-cms.f-static.net/uploads/4496571/normal_5fdbc63286ea3.pdfIn PDF document text
- https://pimazapodozem.weebly.com/uploads/1/3/2/8/132814260/rejurumip_romazi.pdfIn PDF document text
- http://beautysale.site/plotting_points_4_quadrants_worksheetcrtjy.pdfIn PDF document text
- https://rasafidi.weebly.com/uploads/1/3/0/7/130776861/7326642.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489587/normal_603c1c480d33b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408865/normal_5fee4bc5c6d65.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471467/normal_5fd39993477cd.pdfIn PDF document text
- https://pozategon.weebly.com/uploads/1/3/2/6/132695347/5814806.pdfIn PDF document text
- http://eslife.pro/how_to_use_uppababy_rumble_seat7f049.pdfIn PDF document text
- http://prizinsta365.online/online_quran_with_tajweed_color_codedbh96l.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412591/normal_601a3e5d8df3e.pdfIn PDF document text
- https://dupemokuko.weebly.com/uploads/1/3/4/7/134759865/2878711.pdfIn PDF document text
- https://wuliwedifa.weebly.com/uploads/1/3/4/7/134753749/sasuvimo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457881/normal_5fced49021876.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448536/normal_601dae4e5837a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378604/normal_5fe7285a65c19.pdfIn PDF document text
- http://dimax-matrasy.ru/42455297591l9jup.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418570/normal_5fc7aab199273.pdfIn PDF document text
- http://eliyalte.com/first_aid_usmle_step_1_2019bp0fc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lemazuwijenuxan.rf.gd/good_vs_better_vs_best.pdfIn PDF document text
- http://rovututuxopi.epizy.com/41187885834.pdfIn PDF document text
- http://girifej.epizy.com/because_he_lives_piano_chords.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ff2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF2C | 5256 bytes |
SHA-256: 6fa57ccfa5b2209cd5532ab01a1c3e778dee7c9c534321bfd927bd1a880e03dd |
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font_01_sfnt_off00011116.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11116 | 10764 bytes |
SHA-256: 6e2e9942d00fda6488b57998a27f79500ff968edf93a9c4db2d45347d5afdcf7 |
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font_02_sfnt_off00013622.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13622 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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