MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The PDF_SEO_LINK_FARM heuristic identified a large number of external links, with the primary suspicious URL being https://zajinet.ru/strik?utm_term=x+core+hunter+no+ac. This suggests the document is designed to lure users to malicious sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://zajinet.ru/strik?utm_term=x+core+hunter+no+ac
- https://pirobubav.weebly.com/uploads/1/3/1/3/131380689/wawowafuli-mogova.pdf
- https://ronuviwa.weebly.com/uploads/1/3/4/5/134587060/pelekuwib-zutowesavu-zasif-rurinesu.pdf
- https://cdn-cms.f-static.net/uploads/4412415/normal_60649d331271e.pdf
- https://cdn.sqhk.co/jegisizozul/iahhjbH/52527351277.pdf
- https://cdn-cms.f-static.net/uploads/4490934/normal_6036bbe17871d.pdf
- https://cdn.sqhk.co/kuzetuzame/Ajfhgl4/2231967412.pdf
- https://cdn-cms.f-static.net/uploads/4496811/normal_600a4b3c9dd87.pdf
- https://static.s123-cdn-static.com/uploads/4476443/normal_5fcb72b6a9608.pdf
- https://cdn.sqhk.co/tukutabu/wKhehaB/data_roaming_keeps_turning_off.pdf
- https://cdn.sqhk.co/mutuwatu/dVkibcQ/word_games_for_free_on_iphone.pdf
- https://static.s123-cdn-static.com/uploads/4454668/normal_5fddcaeb98e12.pdf
- https://static.s123-cdn-static.com/uploads/4409123/normal_5ff6613fb1331.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/d28f1b80-9876-4028-aece-491e36266c6c/9616760891.pdf
- https://uploads.strikinglycdn.com/files/38e3732d-bc1b-4e4d-80f3-01142ef94fab/tifezexuvoji.pdf
- https://uploads.strikinglycdn.com/files/3bba88e1-228f-4408-bedd-a262c4243607/escort_passport_8500_x50_radar_detector_manual.pdf
- https://uploads.strikinglycdn.com/files/a90ec12e-e6be-4572-a413-d54ac90398c4/rumi_bookstore_fremont_ca.pdf
- https://uploads.strikinglycdn.com/files/3f55f9a7-8d51-48a4-b7bc-ff1404c5cb7d/23490063817.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f86b.bin2ac4c3ea28408bb6df0b566979308c6dcadb0bdaafd8f3341f5290d8176431f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86B | 4488 bytes |
font_01_sfnt_off0001078a.bin072a723e22fa22ee354ff89015491cbe29850fbbaf82f6859928e391b5666bf2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1078A | 11336 bytes |
font_02_sfnt_off00012e43.bin52db30b66cfb76898988bc7c6ed152514c301740808ab95bec9c68e49df23550 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E43 | 16036 bytes |
font_03_sfnt_off000142ab.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142AB | 4324 bytes |
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