MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to potentially malicious domains, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or SEO spam. The embedded URL 'https://midufefew.ru/strik?utm_term=what+causes+violence+in+the+media' is a primary indicator of this activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://midufefew.ru/strik?utm_term=what+causes+violence+in+the+media PDF link annotation
- https://cdn-cms.f-static.net/uploads/4410976/normal_6037d8ca1ec8a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421329/normal_5fde42008f3aa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383165/normal_5fe642f095e93.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379240/normal_6047f78d0cf91.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493589/normal_604dc31807a18.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388158/normal_60502865cec26.pdfIn PDF document text
- http://kirivil.iblogger.org/vakazozorevanuxelavuvas.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/natewared/gazodofezasuzivirik.pdfIn PDF document text
- https://2a403a33-5f6e-4534-96f9-742aa7325afc.filesusr.com/ugd/d2da83_26aa658b8cff4b1d9e65e144e9a25b28.pdf?index=trueIn PDF document text
- https://4cf6c2b4-cd84-4b73-83b1-bf7f441162b2.filesusr.com/ugd/e50c99_2b8ef1c32e594cfe99994cba9dcd65a3.pdf?index=trueIn PDF document text
- https://2e96d104-cacc-4af9-914c-411927af6089.filesusr.com/ugd/0f866b_a8e9bcef03bc4eb79400432802376779.pdf?index=trueIn PDF document text
- https://c4a0f302-b060-43a0-af10-a0364da5eca7.filesusr.com/ugd/c6d327_5889bc3b2ce74115b413e8aa7a7c9ea2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gowebabuxogiro/ant_chrome_video_er.pdfIn PDF document text
- https://413f70bc-0247-4a04-a3fc-eabb14e2b93f.filesusr.com/ugd/f18ee6_2d6e1cce946f4995ab48875f8e00fae5.pdf?index=trueIn PDF document text
- https://28481333-1ef2-46fb-8ebf-d56c3f24acbc.filesusr.com/ugd/314c35_7bc87a70aac64b908ddf93cfe9a428b9.pdf?index=trueIn PDF document text
- http://kiderirujefadag.epizy.com/stock_market_books_for_beginners_quora.pdfIn PDF document text
- https://c46c713f-5e69-4c64-aad4-d86f29440f76.filesusr.com/ugd/957c7b_cc95311975714a22b1ecea815cc90b5b.pdf?index=trueIn PDF document text
- https://db6d201d-bdff-4648-9982-d9cfaac7639e.filesusr.com/ugd/98857b_19b07a3abe1743cc97d09c097d819c6a.pdf?index=trueIn PDF document text
- https://80b1f93a-fe74-4439-a81d-34814fa7a505.filesusr.com/ugd/e56fe2_d8c60f24d62d4dd9bc9f02615625ca61.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_off000113f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113F4 | 5156 bytes |
SHA-256: d426d68925e6df5b8309bf849f444a50e4539c769d91cff47e5bd34334be24f5 |
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font_01_sfnt_off00012566.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12566 | 11000 bytes |
SHA-256: a3d32c0b70a6206294419789592444c223c0f6b0658c83bbe93602b4daf4726b |
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