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 0.9992
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://dugedepap.ru/strik?utm_term=introductory+circuit+analysis+13th+edition+chegg PDF link annotation
- https://cdn-cms.f-static.net/uploads/4423714/normal_602e706323422.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410020/normal_5fe52feb39cf2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369519/normal_6053788d8c00c.pdfIn PDF document text
- http://tigafik.mygamesonline.org/english_speaking_eye_clinic_near_me.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375353/normal_600f74b5ce76e.pdfIn PDF document text
- http://zujadise.scienceontheweb.net/34220623135.pdfIn PDF document text
- http://volalagokiva.sportsontheweb.net/brother_2270dw_settings.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381531/normal_5fe63220f10fd.pdfIn PDF document text
- http://finomimetafix.sportsontheweb.net/the_essential_guide_to_vitamins_minerals_and_herbal_supplements.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452171/normal_5fd8764bb0381.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383561/normal_60271ad24abe3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385412/normal_60480be41e5e6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://78905da9-dd21-4190-abaa-c894c042e703.filesusr.com/ugd/851c7c_6f1e400af4d4452abeb8ba3fffff1b61.pdf?index=trueIn PDF document text
- https://7211abc3-b26e-437e-abd8-8a8c7ebd4af5.filesusr.com/ugd/0683fb_88f3c2b9d24b4e42a73f2aab1d151889.pdf?index=trueIn PDF document text
- https://44f68060-d5e3-4d58-b4e7-e3760392f352.filesusr.com/ugd/49488e_98d5bdfb8e1a4d8e82409e76f643bb45.pdf?index=trueIn PDF document text
- https://8a6b9437-e7f2-49d7-8c24-351b272aa67a.filesusr.com/ugd/b18e4d_51990d6b82574a9ba586fe7ebdeb9086.pdf?index=trueIn PDF document text
- http://teropisarazo.myartsonline.com/apprendre_l_arabe_dbutant.pdfIn PDF document text
- https://fb075467-9d00-46c6-93ac-2b777f5e584b.filesusr.com/ugd/8bcd66_df74f01f6f3948f58e8b0f54ba058807.pdf?index=trueIn PDF document text
- https://d89a15f7-21b5-45f0-b9b4-bc5b7be68842.filesusr.com/ugd/18e821_2e4f2f5316594abea22811b5adaf5958.pdf?index=trueIn PDF document text
- https://042e50b4-45d0-4577-915a-c14d43ab21ad.filesusr.com/ugd/18f527_aea9a05e81c74f5f9c2254075418ef1a.pdf?index=trueIn PDF document text
- https://d6ac5066-27fc-4e71-a07d-b30af50dfe8b.filesusr.com/ugd/934fc3_278a4cea093b44b0a77f8756e5a6ad14.pdf?index=trueIn PDF document text
- https://dda5c79a-a75d-44d9-a006-48dec3bfe172.filesusr.com/ugd/115d6e_3949c13c23d741bcb5e771debbbada62.pdf?index=trueIn PDF document text
- https://8767aa75-4bd5-48c0-94ca-24e983238001.filesusr.com/ugd/debdc1_174f76888b784008a935b8761292c267.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_off0000f65f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF65F | 5456 bytes |
SHA-256: ec90e7fbdf4f2b7fd8d6b970aec7f587b5522bc8a225c7430c09b31fe0a5d30a |
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font_01_sfnt_off000108ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108EF | 11456 bytes |
SHA-256: 41cde9bcfb8d1d09dc5a07913a80e0e750268833091b929af62c3b2ddea18a76 |
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