MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It contains a large number of external links, indicating it functions as a link farm. The primary URL observed is https://bologen.ru/award?keyword=atlantis+story+pdf, which likely serves as a lure to redirect users to other malicious or SEO-manipulated content.
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://bologen.ru/award?keyword=atlantis+story+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4386849/normal_603c52e15fbcf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404727/normal_605dc09ef4076.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382638/normal_60014b77400ba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476567/normal_5fdec7dab815c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369487/normal_5fcbfab24d2d5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367964/normal_6056f4e70437c.pdfIn PDF document text
- https://cdn.sqhk.co/vozeseseber/Pz6ifLD/movietickets._com_gift_card.pdfIn PDF document text
- https://cdn.sqhk.co/vesagivara/gihg0gc/viwegomogu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413735/normal_60145567e5a49.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://493f174a-a540-412c-bacb-e5b7b26cbfcf.filesusr.com/ugd/95bb70_fa4b50c8a64746fcb024129d8724aa8b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xuvamuba/perimibadaxa.pdfIn PDF document text
- https://7be8961d-effb-4c78-a255-78c3c9f0be09.filesusr.com/ugd/3dd68e_1ac0b5f7786f408da50ed40ccd51723d.pdf?index=trueIn PDF document text
- https://ad858f6a-7bbb-416d-9365-e04d7986ed9b.filesusr.com/ugd/3c9ac1_97e59d940b4c450b924d65d658a74b73.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tigovatolis/moruwovolativerixulixudun.pdfIn PDF document text
- https://30383b9b-b26a-44f4-9a26-03873af8f03c.filesusr.com/ugd/fdee49_d1840992c00a4608b17d3f8b53269429.pdf?index=trueIn PDF document text
- https://a529afa0-707c-494d-9cee-e9df2360aa12.filesusr.com/ugd/a6e48a_d13e0f0d67a746cc959c2b940eb6f9ee.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bomupi/mekibokuwemuvopubezitowim.pdfIn PDF document text
- https://s3.amazonaws.com/fisulefajow/97010322078.pdfIn PDF document text
- https://827a6da4-a69c-4806-aaaa-db522494bc4d.filesusr.com/ugd/cb5916_a4c223ccd3e645f0b3cf1fc32517ab5a.pdf?index=trueIn PDF document text
- https://e1318bff-d970-45e2-bcea-45481503a18b.filesusr.com/ugd/75a96d_51f2cef1954e427f9a98bbe0b71b5935.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBFD | 4796 bytes |
SHA-256: 53c59630463401acf6f23d4cfd49d547e329cc7848157e899b78ecd02390d6e3 |
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font_01_sfnt_off0000fc53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC53 | 10236 bytes |
SHA-256: debaad65a619aa28b52c84bebeed1c3bdbda155b4ce3d36d0978b072886166d7 |
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font_02_sfnt_off00011f0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F0A | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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