MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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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 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/strik?utm_term=kinivo+btc450+review PDF link annotation
- https://static.s123-cdn-static.com/uploads/4475586/normal_5fe224439e39c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379053/normal_5ff6bdffda48b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465136/normal_6022e68857620.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481058/normal_5feba041bd287.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4b5f4e46-8b81-4257-bf39-61fc08ba57b0.filesusr.com/ugd/7ea8bb_bde6d0abc2cf438b876a818e3420f2c3.pdf?index=trueIn PDF document text
- https://510adc33-753b-44c0-977e-8d34da8fcdd4.filesusr.com/ugd/5f4192_86d886a4bfff49ea85b925fd66098fb5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0b5eb044-a684-489e-bf3a-929718324227/husqvarna_snowblower_belt_problems.pdfIn PDF document text
- https://a0a5ada1-270c-452f-b092-d943fc6f0dc0.filesusr.com/ugd/306762_0092b586df6c490ea089e813e01dc5e7.pdf?index=trueIn PDF document text
- https://8e75e8be-0f37-480b-85ac-641553c1acf9.filesusr.com/ugd/a4a1ce_745b21b99309475da5a5b4308bf16c3b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2e51a1ea-2f77-44fd-b2fc-f53897a129b5/piwubemaxex.pdfIn PDF document text
- https://58f604bd-1fd8-4cfe-af9b-f15e67d030d5.filesusr.com/ugd/9a7439_869cda7a802e4a2f814522d50d42b456.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b07cbc61-2473-4e4d-8215-f75f11261f12/2018_speed_queen_washer_issues.pdfIn PDF document text
- https://ff06b2c9-6223-4357-b4d5-1bf3807c749f.filesusr.com/ugd/717131_4cc3143e06d645d0ba0453a99b983090.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7a0e9332-86fa-4702-8b18-1a59aaf8a750/vepadezukuk.pdfIn PDF document text
- https://168d2a81-f750-40c6-a653-3787650f980d.filesusr.com/ugd/3bcfef_3dc32fa60aaa4fda8054d8283b4c7141.pdf?index=trueIn PDF document text
- https://d1159ab4-cbf5-42eb-897b-83a5e94cd7da.filesusr.com/ugd/536122_8ecb5435c4b545ed8291139280590797.pdf?index=trueIn PDF document text
- https://94db4134-5784-44c5-a63d-963e509970fa.filesusr.com/ugd/9c58c5_0d4cf30a9f1b46bc96a43a3cf8d37ce6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3aeef845-1e18-4ad5-bf05-372792909909/shark_fabric_steamer_wont_heat_up.pdfIn PDF document text
- https://2e8e3215-33bf-4fe1-bc67-b38dac560527.filesusr.com/ugd/269bb8_f94e51d6e5f04f3da4a78123dce1d7d2.pdf?index=trueIn PDF document text
- https://40785fcd-1e5e-4316-9306-5db1d5795eae.filesusr.com/ugd/2f07a1_cd098c25a4554b9d9adad6e623918f6d.pdf?index=trueIn PDF document text
- https://7e005a1c-fb68-43c1-af83-b854b6a2d282.filesusr.com/ugd/dcfb95_63bb64d2ada348b8956eac383e27c27d.pdf?index=trueIn PDF document text
- https://d12e84a0-9808-45da-82c6-613dfe540d1b.filesusr.com/ugd/dc8a8e_7dda55d22fb346f6b3603527f5c019cb.pdf?index=trueIn PDF document text
- https://f3215690-35ba-4bce-915f-db1a6f912a1b.filesusr.com/ugd/d32599_b985033165f24352936734b7f7640918.pdf?index=trueIn PDF document text
- https://cad90261-f038-4e8a-b384-2e0e37e6cb8c.filesusr.com/ugd/4c4e45_363d8ecc03dd49bdae223e54850c7552.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b7490574-d283-4a17-ac4f-51755dc70f28/whirlpool_duet_washer_replace_door_lock.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dfb11d03-71ef-4c1e-82d4-c1a656229fd7/jujevuzoragobel.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f978.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF978 | 4988 bytes |
SHA-256: cf3cc863739a6aaad3057f989c1d2befc144b902be59a77f06502fee869c323c |
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font_01_sfnt_off00010aac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AAC | 11052 bytes |
SHA-256: e88a2684046aba7f883430724c26b071bc043d100bb10881b002a0711507b85e |
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