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://leonvi.ru/wix?keyword=dr.seuss+characters+names PDF link annotation
- https://cdn.sqhk.co/fesakesovoka/lrbhijh/first_strike_final_hour_ios_gratis.pdfIn PDF document text
- https://cdn.sqhk.co/rumoligodo/hfif4hc/37785458859.pdfIn PDF document text
- http://hookup671.site/ramuxaposukopufiwet45w8.pdfIn PDF document text
- https://cdn.sqhk.co/vugomupuzisa/ifXORha/subukowewesovuxid.pdfIn PDF document text
- http://pitushok.space/64906502405buqe.pdfIn PDF document text
- http://lnstgramhelpcopyright.com/506845993183zkia.pdfIn PDF document text
- https://cdn.sqhk.co/gobuwovuv/5aGggij/mit_transfer_admission_requirements.pdfIn PDF document text
- http://cpatrump.com/vatelesolotoxepulivoxozetz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2c91b947-1dd8-401e-ae91-d595f2f75867.filesusr.com/ugd/0af078_bfcd18b527e3457d984192c399bf499a.pdf?index=trueIn PDF document text
- https://c36efdde-2309-4ce2-a10d-b6df2ce12cd8.filesusr.com/ugd/e98059_390df86d1af0426c83529364a2631a79.pdf?index=trueIn PDF document text
- https://47a25507-5c4f-4e73-9b7c-0c49514c8174.filesusr.com/ugd/e00bd3_4f786f11da56475c88c7e78c3aba1c2b.pdf?index=trueIn PDF document text
- https://3a00e800-a8eb-44ae-aafc-ae9aecab8e06.filesusr.com/ugd/1715bf_5678b650d025423c9df00e65555e2c46.pdf?index=trueIn PDF document text
- https://be56f97b-0727-4a8e-a141-4155b83e75ac.filesusr.com/ugd/5034d0_7c0fa9f6c86a43a8bca9a80d5ac8d77e.pdf?index=trueIn PDF document text
- https://5071cc05-3fa2-46b1-b944-d2523ca4b51d.filesusr.com/ugd/62e2c1_3222d8f271814424b2e85de963f57435.pdf?index=trueIn PDF document text
- https://944bcc21-9f45-42c2-9889-8cf837fa5d1c.filesusr.com/ugd/50f869_5801bd5f000a46cc887fa243a878762f.pdf?index=trueIn PDF document text
- https://b86313a8-447b-404d-ae6d-bc69740d899e.filesusr.com/ugd/e54fc7_ba3056e887e44cb6809a32abfe0e0f43.pdf?index=trueIn PDF document text
- https://6fd4412c-3e6e-4f21-a9af-8137ffc6c0d9.filesusr.com/ugd/03469c_9ffd2970e8434dc7be4cf3114e1fc4c0.pdf?index=trueIn PDF document text
- https://c4a5d104-04f9-44e6-b03f-1f5edac3680f.filesusr.com/ugd/f23921_71a1ab8f19484224bfee54587d0b80cc.pdf?index=trueIn PDF document text
- https://72a23b54-95c1-47c0-80d6-f7b1310faeb8.filesusr.com/ugd/65b209_62943931a07b4bec9ab4c2f5db435a0f.pdf?index=trueIn PDF document text
- https://30c0d994-bee2-4d79-bc91-d4aaa7251653.filesusr.com/ugd/0962d9_d36fb87fb33c464896c9e7e56319d13b.pdf?index=trueIn PDF document text
- https://39ad70c8-6a03-4de2-a89b-b0209cba5754.filesusr.com/ugd/d2759c_f95ed278ac784cc3831d3deff4285c21.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_off00010d86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D86 | 5036 bytes |
SHA-256: b1dd9e2e2334fb75deb4753478a12abfd5f46af929bfe1c66d771427b296b104 |
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font_01_sfnt_off00011e87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E87 | 10668 bytes |
SHA-256: be851c2357f3d6029da76c3be7e12cf8810eb6f44edd42d8ee751525a894eb13 |
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