MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file 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://dafemum.ru/strik?utm_term=peavey+vypyr+vip+2+knobs+not+working, which is likely used to redirect users to further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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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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://dafemum.ru/strik?utm_term=peavey+vypyr+vip+2+knobs+not+working In PDF document text
- https://cdn-cms.f-static.net/uploads/4402933/normal_60353cdeeca06.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4394062/normal_6043b2d5e2f81.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464700/normal_601ead58227cf.pdfIn PDF document text
- https://cdn.sqhk.co/jabosuve/htDQgh3/dolby_on_record_audio_music.pdfIn PDF document text
- https://cdn.sqhk.co/lexuxeza/W8t0Ejj/11395832578.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372983/normal_5fd8e34556c7b.pdfIn PDF document text
- https://widosutolitidaf.weebly.com/uploads/1/3/4/8/134847614/lijesezav_sukovefup.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467975/normal_6047c2d0c6b98.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378393/normal_5fff6a9bc1347.pdfIn PDF document text
- https://sanufelileme.weebly.com/uploads/1/3/0/7/130775971/mevejaxetalifivaf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455406/normal_5fd7b35092613.pdfIn PDF document text
- http://naderuromopuru.22web.org/application_duplicate_marksheet.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403131/normal_5ffd6f2b97507.pdfIn PDF document text
- https://cdn.sqhk.co/pagozixupezi/gdVgjjd/27432504057.pdfIn PDF document text
- https://cdn.sqhk.co/mamevugixej/UgfG8i4/gold_knee_high_costume_boots.pdfIn PDF document text
- https://cdn.sqhk.co/komajekolino/FI2yghd/launcher_for_android_10_xda.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459631/normal_5ff363dd84fc7.pdfIn PDF document text
- https://vixozomaregug.weebly.com/uploads/1/3/1/3/131398278/3912723.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://rilobun.rf.gd/67757772409.pdfIn PDF document text
- https://44bb6ee8-a0fe-4f72-890f-0f0a2fec05cf.filesusr.com/ugd/b65acf_fa3cc55210114e7a807b1925891274da.pdf?index=trueIn PDF document text
- http://bejofumojep.rf.gd/cambridge_english_for_the_media_audio.pdfIn PDF document text
- http://wovovaj.rf.gd/87372526020.pdfIn PDF document text
- https://9f5bcc56-a059-4f00-ae85-604acd6a3d2d.filesusr.com/ugd/ac9354_3e4010aea18c40af9c45871cfd6c48cd.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFCB | 5544 bytes |
SHA-256: 7c74b4e2b36b8e80e34fa4d0957756e8ef38faa44257536e915d23757263bb03 |
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font_01_sfnt_off000102d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D9 | 11900 bytes |
SHA-256: a89af982b7aa2dee455657cc7a4baaf969aa72d00c5eb52b298d37d59616ede6 |
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