MALICIOUS
252
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to disposable hosting or known malicious redirectors. The primary malicious URL identified is https://yafferge.ru/strik, which is flagged as a malicious redirector. The document's content, though heavily obfuscated, appears to be a lure for a shotgun sale, likely to trick users into clicking the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 7
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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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://yafferge.ru/strik?utm_term=sears+model+200+12+gauge+shotgun+for+sale In PDF document text
- https://static.s123-cdn-static.com/uploads/4417023/normal_5fcb39b46352a.pdfIn PDF document text
- http://vodekageka.22web.org/kixidofuzukebukevati.pdfIn PDF document text
- https://cdn.sqhk.co/mukibusu/jrmQ5jd/digihud_pro_speedometer_1._1._7_apk_download.pdfIn PDF document text
- https://cdn.sqhk.co/mewobonovagi/4jcijia/best_romantic_ringtone_2020.pdfIn PDF document text
- http://xulagamefedaruv.22web.org/16877061185.pdfIn PDF document text
- http://panokaluwavivar.iblogger.org/mugajufuvig.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454546/normal_603f934a71727.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465556/normal_5fd3d9201d6b3.pdfIn PDF document text
- https://cdn.sqhk.co/jivaduzar/XcfVkVx/women_s_world_cup_golden_boot_winners.pdfIn PDF document text
- https://cdn.sqhk.co/bebumila/iihXjbI/game_project_igi_1_for_pc.pdfIn PDF document text
- http://pudirexuzil.iblogger.org/10756556199.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454546/normal_605c8cab86e84.pdfIn PDF document text
- http://mipojegukomil.iblogger.org/namix.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://5e6d3f51-9b35-4a29-baf4-1f036254a461.filesusr.com/ugd/99a8f2_451f2d473d814a00b787ed5041988b69.pdf?index=trueIn PDF document text
- http://mamitepibo.epizy.com/tegigujik.pdfIn PDF document text
- https://6d4a8fb0-9a8a-4850-8aa1-2b5706121c9a.filesusr.com/ugd/ff2e72_0cc444d0cdf742f3b68e82bb4d35f532.pdf?index=trueIn PDF document text
- https://2a07c75e-e898-48ba-b326-4cccc82d0599.filesusr.com/ugd/ff154e_0b2cacdb20b240309cd9f78d7b990dee.pdf?index=trueIn PDF document text
- http://vozukaridox.rf.gd/d_d_5e_changeling.pdfIn PDF document text
- https://2eda13a9-9e0f-47dd-bbfa-a9a5028a3314.filesusr.com/ugd/61c57f_6e89f673fec24518aafc10bdad191e54.pdf?index=trueIn PDF document text
- https://a6053a4b-6066-498d-92a8-7748b68531bc.filesusr.com/ugd/5f0d2f_bfc9f3b2f41448cf9bea26d4cbd41988.pdf?index=trueIn PDF document text
- https://fd0ef26f-7b8f-4c91-b3b2-19f7ec93487a.filesusr.com/ugd/4174bf_6aa6e8a97a01404a9d9e1fcf62e5460e.pdf?index=trueIn PDF document text
- https://748e6e98-33e2-4bd1-95aa-01ea3505a154.filesusr.com/ugd/704f6c_38b3a29207dd423d9ddb12802829532f.pdf?index=trueIn 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_off0000e795.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE795 | 5752 bytes |
SHA-256: 42010aef896239d69f4711ba426c0f9ab356a3fc3c2424c5201f598a8eb03e08 |
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font_01_sfnt_off0000fafb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAFB | 11468 bytes |
SHA-256: 10c2256d1b42cbbde6ef7365532c4da08875b5877bb83f078937aba05f962980 |
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font_02_sfnt_off0001226f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1226F | 16344 bytes |
SHA-256: 9c47a8ecf7103172530608de19fa11afb8a035ab51042e9cb8c6809f09ebb189 |
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