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 0.9995
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://dugedepap.ru/strik?utm_term=german+grammar+drills+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4386365/normal_5fc690522c73c.pdfIn PDF document text
- https://fizolapojola.weebly.com/uploads/1/3/1/3/131383549/6414554.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375206/normal_5ffdb6e9b0d12.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401989/normal_605c1f01c0695.pdfIn PDF document text
- https://lidobovinibun.weebly.com/uploads/1/3/4/8/134861857/pulonibakarefinesa.pdfIn PDF document text
- https://rewodudifizaba.weebly.com/uploads/1/3/4/4/134475466/eabb3fb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385214/normal_60152f054ca5f.pdfIn PDF document text
- https://tadizape.weebly.com/uploads/1/3/1/6/131637484/waxuniperifinavilo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409118/normal_6023d5a6a0e5b.pdfIn PDF document text
- https://subefurova.weebly.com/uploads/1/3/4/5/134505332/danawonedex-zepuburamuwi.pdfIn PDF document text
- https://bavibexovapow.weebly.com/uploads/1/3/4/6/134643610/376703.pdfIn PDF document text
- https://fowowudajij.weebly.com/uploads/1/3/5/3/135312379/sufukiv-bitefowitenir-bojoxaralemusim-tuvupetewujedex.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410694/normal_605d69e6600c6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392470/normal_5fd1e4784c27e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/2e71d8e7-87f7-4583-9376-5c849717c069/soxisepin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01a311e6-1ef2-40f4-92d0-fc7b827c7d06/how_do_i_create_a_work_plan_in_excel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2da11c17-3b10-44b4-9572-1e3c94a93148/majawemiruburom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee9714d2-bb69-44e0-8680-748074bec2f1/predicaciones_adventistas_en_power_point.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd9339ed-b114-424d-a4ea-726fe1ed97ac/sql_server_interview_questions_and_answers_for_experienced_professionals.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2b3aa2de-648a-45e7-a2e8-be23dad3f7be/rujusipi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/279b0a7d-0ff9-4c00-a0e2-ee720454512b/45486568738.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88e4616b-9c9d-40f8-bd54-3e1f0b614265/56067147095.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_off0000f172.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF172 | 5392 bytes |
SHA-256: 4f037d8a70e15f4bce04fd56f3ef33788ba151fe40d7eb5d676b0d19baa57944 |
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font_01_sfnt_off000103b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B0 | 10704 bytes |
SHA-256: 1e948d081687c9055db028822c5f73f60d68ecd33509439cb7223fb37a922112 |
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