MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which are SEO-optimized, suggesting a link farm or phishing attempt. The primary malicious URL identified is https://xezojetit.ru/strik, which is likely used to redirect the user to a malicious site. ClamAV also detected this file as Pdf.Phishing.Trojan.
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://xezojetit.ru/strik?utm_term=what+are+the+age+limits+for+joining+the+military
- http://legivupipofu.66ghz.com/bhu_bsc_ag_application_form_2019.pdf
- http://pidebuzuvufugi.22web.org/36471961995.pdf
- http://fogugevup.22web.org/8th_grade_social_studies_textbook.pdf
- http://rezefad.22web.org/30348854480.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://1a6c606f-1efd-495f-9370-57f425d809fd.filesusr.com/ugd/1be480_a6cc4c93777a47069fed355ff8f3a5fc.pdf?index=true
- https://fb1cd387-549b-40f1-a5a4-67fd65d29bb3.filesusr.com/ugd/4200b4_99ce21a8e4ca48dcb6a63aa5a15c1380.pdf?index=true
- https://9d50af6f-dbf7-41ba-b854-83985329a12b.filesusr.com/ugd/33c377_0e96d4638c964eb9b561c29d28f0bf52.pdf?index=true
- https://b7af6bb9-01eb-4839-ab56-764651de4344.filesusr.com/ugd/2486b5_19c9c048d7c34966a1629aa458b02c46.pdf?index=true
- https://s3.amazonaws.com/luborinizu/dusopevujexevorilizu.pdf
- https://s3.amazonaws.com/kelageketisefuv/75125633774.pdf
- https://s3.amazonaws.com/panalipolifod/canonical_and_standard_forms_in_dld.pdf
- https://s3.amazonaws.com/jaxesabi/skyscan_atomic_clocks.pdf
- http://didaduxazej.epizy.com/daxufigaw.pdf
- https://s3.amazonaws.com/jupoti/blank_recipe_template.pdf
- https://s3.amazonaws.com/rumezo/51702464155.pdf
- https://4b0cdf75-2e42-4830-99f1-bbdbaec3f661.filesusr.com/ugd/891219_cb2329c1462e43ab90c19f2d84601257.pdf?index=true
- https://s3.amazonaws.com/vuxirefare/what_is_a_feedback_control_model.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f71c.bind4ee256ce983b8d5e9f70b1e1dc6de4432bd568c2d522c201b496adcf6ab7090 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF71C | 5372 bytes |
font_01_sfnt_off00010953.bin61c27d8011a025871502ca4693df12297aba3ec15126023502cc59224ef1bf7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10953 | 11356 bytes |
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