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 0.9997
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://gimoguvi.ru/strik?utm_term=html5+textbox+validation PDF link annotation
- https://cdn-cms.f-static.net/uploads/4459057/normal_6023f4882271c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416506/normal_5fe3bbf1ceb39.pdfIn PDF document text
- http://glawerry.online/kevimebarebegug7bcb4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418993/normal_602e6385f2635.pdfIn PDF document text
- http://housefashion.ru/xowotutf7jw8.pdfIn PDF document text
- http://copyrightsafetyhelps.com/how_to_reset_my_roku_box1ls40.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482618/normal_5feb31a7546aa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445534/normal_5fd05799a5165.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380530/normal_6055f2d988127.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369487/normal_5fe194b3759d5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8ed6bd9f-de2b-4923-b7df-82f95eb18a03.filesusr.com/ugd/7fa32f_0ed2b0deb90147ea94ee1e0f9b661582.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/75b407d4-0a2f-4fc8-8bd3-866c3ed4f3fe/acura_rl_transmission.pdfIn PDF document text
- https://770ad53b-b55e-4e58-b1eb-3709f41304f7.filesusr.com/ugd/98e298_24de169b9b9344a3a6377dcd41ea3d9e.pdf?index=trueIn PDF document text
- https://bb74f61c-7045-47bf-9a7e-968101ee373e.filesusr.com/ugd/81ef4b_d3afd255007b46b38a57b467d0a071e7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f2ef3adb-cda9-45d2-8871-1edd225940db/is_animal_haven_a_no_kill_shelter.pdfIn PDF document text
- https://27475d5a-2981-497d-8cd5-0c310ef10f8b.filesusr.com/ugd/9cb927_2dd5fae4cadf4e31a02a730c1f821290.pdf?index=trueIn PDF document text
- https://a12a05ab-6462-4855-b086-b0a2a961d6d8.filesusr.com/ugd/2c76f4_79d4f4fa1174471c8dd87242589af193.pdf?index=trueIn PDF document text
- https://5c90cfa9-af55-48e2-9430-1f3580382729.filesusr.com/ugd/e2b09b_2f236086b2e7416fbe683d97fbe51e20.pdf?index=trueIn PDF document text
- https://72858ab8-d36f-4bc2-b208-e5ec56e76d01.filesusr.com/ugd/3a4e0e_6fc96402d55b4349b87d03828e2706c5.pdf?index=trueIn PDF document text
- https://e46eb8ae-11b5-47af-91b5-79e2db369635.filesusr.com/ugd/f84671_a53b825f76054b54b2a03ca906bf4e59.pdf?index=trueIn PDF document text
- https://9a4203bb-6ff2-4ef1-9c63-3f113f84a884.filesusr.com/ugd/ea9bdf_a774e4d5019344c5b6cf2336b66d13fd.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_off0000ed76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED76 | 5052 bytes |
SHA-256: fd17c5410a28378b8915635e6d1ae8453517e819f363554bad22f436c18db56e |
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font_01_sfnt_off0000fe9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE9A | 11356 bytes |
SHA-256: 1111a1f5a2f87e5213b71304789b2ea943318e3eb2cd5dd45b06d55ac9aa6814 |
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