MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, identified as a link farm. The primary malicious URL observed is https://jumiwimov.ru/strik. This behavior is consistent with phishing or malware distribution campaigns, where users are directed to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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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://jumiwimov.ru/strik?utm_term=what+is+baskin+robbins+31+flavors PDF link annotation
- https://raralulewuk.weebly.com/uploads/1/3/4/4/134478892/fejofaxob.pdfIn PDF document text
- https://xejotonevuxujuj.weebly.com/uploads/1/3/1/3/131379732/nebuwuxinuwowex.pdfIn PDF document text
- https://kuvijoxujav.weebly.com/uploads/1/3/4/2/134266993/54674.pdfIn PDF document text
- http://kutakelipaxeb.22web.org/free_printable_thanksgiving_dinner_invitation_templates.pdfIn PDF document text
- https://nuvafuriwevejuf.weebly.com/uploads/1/3/2/8/132814848/darobinozifuto-wikonuju-tuwigonop-tufigubi.pdfIn PDF document text
- http://indital.fun/29558657344187is.pdfIn PDF document text
- https://fuvetowonilup.weebly.com/uploads/1/3/1/3/131383456/90ca9cfc7dc.pdfIn PDF document text
- http://ditumen.22web.org/tividinabif.pdfIn PDF document text
- https://sigoxavofilaza.weebly.com/uploads/1/3/4/6/134697452/belodigorobagesi.pdfIn PDF document text
- http://findattime.com/fixiborabmt0fw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zamewoj.rf.gd/xefopobuwekeviwego.pdfIn PDF document text
- https://0926596c-b1e6-4473-87d6-fed2e709bfeb.filesusr.com/ugd/e2a635_50aafbf60f1f41ddac495074cd87aa0b.pdf?index=trueIn PDF document text
- https://7be326e9-a1fd-4761-a84c-83c904220737.filesusr.com/ugd/37e945_613cc36b2d97407596345b862836f7dc.pdf?index=trueIn PDF document text
- https://97a45c9e-1ab5-462a-bfe2-fded34b9a8b9.filesusr.com/ugd/b50c55_b5e226f812964215a4ebbff65f023a10.pdf?index=trueIn PDF document text
- http://jadatijofe.rf.gd/kupefatiruwesu.pdfIn PDF document text
- https://6d706a39-1f93-4f1a-9423-caccf7e65e71.filesusr.com/ugd/69f91f_50857675c83448c09c553a96ecd16ddb.pdf?index=trueIn PDF document text
- https://6c473ef0-402e-45f0-9f95-6bc7e89a6a1a.filesusr.com/ugd/5518c3_ec3218e4b05b434a8b7248e038e9dda3.pdf?index=trueIn PDF document text
- http://sejabozewilobog.epizy.com/bsf_job_form_2019.pdfIn PDF document text
- https://fed4949e-3809-4fc0-a28b-84c5d390f589.filesusr.com/ugd/94482e_1a0caeefb36441deabb6c30807c0ca6b.pdf?index=trueIn PDF document text
- https://7133fc40-0b9c-4701-b953-e7fafc934b44.filesusr.com/ugd/70a38d_edebbe60f0fe46cf95dbc39b3e96b2f2.pdf?index=trueIn PDF document text
- https://4590046d-f0a9-4171-b8a0-56ff8c1fe63c.filesusr.com/ugd/0bfb20_da22273b2e2e450b9bd4ab339bb1c36f.pdf?index=trueIn PDF document text
- https://f98f40d2-b649-4e6b-99af-b89bbf2331ff.filesusr.com/ugd/724bd4_3c8343d3440d49568b63fcdfd478a3a6.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_off00010795.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10795 | 5348 bytes |
SHA-256: e8ac8cb57b8aef5fcbd58f55f8b7cf8c17bc496e2b148e409d0a8189b4258662 |
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font_01_sfnt_off000119d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119D5 | 11404 bytes |
SHA-256: cfc28608e8fc415b13e7266721c01ea327b98300ed4730db2d33d50884de8cb8 |
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