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 0.9996
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://maypoin.ru/123?utm_term=the+crown+season+2+episode+5 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4459470/normal_603f577b123dc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367303/normal_601727330868e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462379/normal_601376863f888.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486354/normal_603e281f35b19.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417534/normal_5ff9e66e072f8.pdfIn PDF document text
- https://cdn.sqhk.co/sosexazefip/ciiO9ii/midineruvazugibewojipeki.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421213/normal_5fe1ea012d9c6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383160/normal_5ff56410cf26c.pdfIn PDF document text
- https://cdn.sqhk.co/vipujitebiki/c8Rieha/bridge_strike_arcade_shooter_pc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407991/normal_5ff8a7811cd22.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475863/normal_600ae8ee52de4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://356bbf58-84af-4bff-99a9-d03346e46411.filesusr.com/ugd/b5472a_31d3908cd43644ce90455c3ba8015c96.pdf?index=trueIn PDF document text
- https://a49a6154-edc8-4132-95a2-c7bb8d673fe9.filesusr.com/ugd/551169_ae24b523c0a541d4abe65f43aae9f09d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3d92465d-1c0c-411c-a78f-848db93e59bf/difference_between_centripetal_and_centrifugal_force.pdfIn PDF document text
- https://1c684d3d-b1aa-4d58-8f8e-408f9cf37fac.filesusr.com/ugd/64d889_abcfc5dd66a748e3a947d258c8c81221.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/49a1b347-30f7-419e-83ee-e24ddc519c45/learn_html_css_and_javascript_online_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4373452b-cb06-4bd3-869f-0e5d404f79a7/how_much_did_hancock_make.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/07772e49-d1ca-43fa-9006-eab08bd4f57c/what_is_computer_math_in_high_school.pdfIn PDF document text
- https://b70645e9-42d7-44c6-80f2-f165c8819e8d.filesusr.com/ugd/3f1130_98f90f8eec8242c5ba11ff48a2ddfc57.pdf?index=trueIn PDF document text
- https://ed4d48c2-14ea-47f5-a89a-b82193587323.filesusr.com/ugd/8ce377_c7954182d2c649d9926e7ac89d1af8f4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/83008816-ebeb-4534-a70f-ce5e72abaa97/69416019307.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_off000103e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E3 | 5428 bytes |
SHA-256: 4c8b5032b9e088414a38c855ca25c5efed95fa955eda9720b295306d72f9a2e1 |
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font_01_sfnt_off00011668.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11668 | 11052 bytes |
SHA-256: 0b0d36f2fb46f29fdce9d866d2aef5cd5311b0be2bb22f627b096e90ac03440b |
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