MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains text related to 'Computer network technician school', likely a lure to disguise the malicious intent of redirecting users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://crophysi.ru/strik?utm_term=computer+network+technician+school In PDF document text
- https://cdn.sqhk.co/sopiloroda/UAfNXif/restaurant_story_2_mod_apk_2018.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4493873/normal_5fff4957033b5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414487/normal_60592df11485f.pdfIn PDF document text
- https://cdn.sqhk.co/xuwolegu/QC9iijh/18553127806.pdfIn PDF document text
- http://899themes-demo.ru/99508611838d7xxt.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388596/normal_6005e47fd34b3.pdfIn PDF document text
- http://grandov.pro/jinubunlfsx3.pdfIn PDF document text
- https://cdn.sqhk.co/gevolonovare/cS5Wrhj/jamozowumanibamul.pdfIn PDF document text
- https://cdn.sqhk.co/nenutipu/s4TjieI/vilaxabu.pdfIn PDF document text
- http://sukovuxelex.22web.org/editing_removing_pages.pdfIn PDF document text
- https://cdn.sqhk.co/madufuxenuw/ggdiahJ/wigasudizefakaredap.pdfIn PDF document text
- http://reduslim-italiaoficial.site/zezigefejovomuwajz4bqj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://zumuwojik.rf.gd/fapukumotagasaximimazu.pdfIn PDF document text
- https://s3.amazonaws.com/remuv/blue_devils_trombone_feature_2017_sheet_music.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d9c2d710-2471-46b3-945e-e795f8b200ac/70818841583.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3229c70b-7837-4ef4-910a-fa0618fa985f/how_to_install_electrical_outlet_box_in_ceiling.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c2e577d-5951-470b-b7d0-c2183e7a7af8/tixedaniwajuvupa.pdfIn PDF document text
- http://sedoguzod.rf.gd/15290406187.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ad2e0d83-e2ef-45d5-b552-f3056ea54cd4/17692217148.pdfIn PDF document text
- http://soxowanukaf.epizy.com/lativomamixidarazitegigox.pdfIn PDF document text
- https://s3.amazonaws.com/feborobegibew/digajetobilipivodomu.pdfIn PDF document text
- http://felubumasosazi.epizy.com/28067681415.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0553d9dc-b73a-46e5-b96b-47ca3a2a34f2/60867964799.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3BA | 5232 bytes |
SHA-256: 2132847b41d235b904344607af4c330fbf8a2182800d3a7ea252595255b983d3 |
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font_01_sfnt_off0000f56a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56A | 10048 bytes |
SHA-256: 7ecbd4931655a2c446e97da7d098404522f6b2575e3a99348c9b08567a09716e |
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font_02_sfnt_off000117fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117FB | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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