MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The PDF contains numerous embedded URLs, with one specifically identified as an external URI pointing to 'bologen.ru'. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests a deliberate attempt to obscure the true destination by using multiple disposable hosting domains. While no scripts were extracted, the presence of these indicators strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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/strik?utm_term=miller+thunderbolt+ac%252Fdc+welder+manual PDF link annotation
- https://cdn-cms.f-static.net/uploads/4365612/normal_5fd7a9e935b0c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417992/normal_5fcca213762e7.pdfIn PDF document text
- https://jabipiduluw.weebly.com/uploads/1/3/4/6/134662585/e5d67590ed.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4371498/normal_5fe265c1c8eea.pdfIn PDF document text
- https://reviniwixex.weebly.com/uploads/1/3/1/4/131407974/gafed.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4493266/normal_5ff0dd3f26656.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374545/normal_603ee9c94f943.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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_33639a4404f144e6a8866327c99dc645.pdf?index=trueIn PDF document text
- https://e5447efa-8854-4d04-834e-f0bbd7438c8b.filesusr.com/ugd/ac612b_7c87e08e00824b4eba66277b643b54fa.pdf?index=trueIn PDF document text
- https://b86313a8-447b-404d-ae6d-bc69740d899e.filesusr.com/ugd/e54fc7_5f39c6b12bee41849a87bdfbd941a8e6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/juzowilipi/88994496857.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a41cd434-fd5e-400e-93d0-5927d6f2b3c7/how_to_install_chicco_car_seat_rear_facing.pdfIn PDF document text
- https://368051e9-4199-40ea-b9a2-dc6e6f83cb3b.filesusr.com/ugd/6260fe_9591c18ff3854d6f9ea866daf5f89d22.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/difigomisosak/1984582866.pdfIn PDF document text
- https://7e574f8b-ef34-4833-8dee-b18f3ac9fc91.filesusr.com/ugd/af8ffd_3131bb95677941e4b7edce6dfd173c0b.pdf?index=trueIn PDF document text
- https://2cc3dcad-61c1-4442-8662-ca5be7cd8672.filesusr.com/ugd/71b93f_4a35047452df48a58e2b812f854ea56e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mujevubutukoxu/aesa_radar_beamforming.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a895db72-2363-465a-aa25-032c5f7bcd3c/is_honda_rebel_300_available_in_philippines.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9dfbec6f-6a2c-49f3-9282-c364cda76da6/eset_smart_security_8_license_key_2021_free_download.pdfIn PDF document text
- https://s3.amazonaws.com/jemazejodep/rebopalojitekeveniba.pdfIn PDF document text
- https://s3.amazonaws.com/bededuxotulapil/nefabubebosuraj.pdfIn 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_off0000ee20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE20 | 1868 bytes |
SHA-256: 9b47b15fc729794b041edea0bfeb93680359fcffb900d163ef366ac1fd65b9c1 |
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font_01_sfnt_off0000f728.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF728 | 5276 bytes |
SHA-256: 2892580a6e7c80a8e6719cfc0ba587f4860fae45efde5b3bf2e7c022db5726f3 |
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font_02_sfnt_off0001090c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1090C | 12864 bytes |
SHA-256: b21f81c582ad3d9b88585d4e3b97b7154aaa108d5b20389cd0ddb3b8fc4bfbf6 |
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