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-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://bologen.ru/wix?keyword=singer+simple+sewing+machine+manual+2263 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4467576/normal_5ff972c35ca0c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457861/normal_5fde5be10a40c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368222/normal_5ff41f39d75d0.pdfIn PDF document text
- http://sadovik.me/super_jupper_jungle_world_apk_download0lslb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413119/normal_60386d6389e95.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491670/normal_602c6bbc5b98d.pdfIn PDF document text
- http://moresukko.ru/depasimub1gja.pdfIn PDF document text
- http://aov.one/despicable_me_2_songs_free8nf6y.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365555/normal_5fdc6e643f55c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477629/normal_5ff0a3801a176.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://90ff81fc-98d9-4e53-96a3-aaa5c1c2042e.filesusr.com/ugd/bb5aff_61e58cc7bbe34b4a948975896cc4eb6c.pdf?index=trueIn PDF document text
- https://0e098354-e5d1-4afc-9be7-763a70ae5e44.filesusr.com/ugd/ef253e_63ae125e40cc4f42943848d4fec41fc8.pdf?index=trueIn PDF document text
- https://ded05c8b-f0d8-42bc-a64b-daa0b63394ca.filesusr.com/ugd/99afdc_a4ada4ec197845ccb0f9bcdbd3094af2.pdf?index=trueIn PDF document text
- https://c6f55193-7475-4343-97dd-33cb3b141b6a.filesusr.com/ugd/808d8c_8c8c0143bf6741f986df5c3b4b4ec6b4.pdf?index=trueIn PDF document text
- https://c7f0abc7-d23b-482d-bd16-0771495bb668.filesusr.com/ugd/bb13a2_b511b1614fd14a7ea6785208db8d20b2.pdf?index=trueIn PDF document text
- https://368af19b-b9be-4417-8ea7-dfc4611f9fec.filesusr.com/ugd/abd4c0_6539d871ddfb40dbb6d4b6e2beaa4010.pdf?index=trueIn PDF document text
- https://c6506652-bf5e-4f52-be36-03dbfaede22c.filesusr.com/ugd/f74919_71a38f579d304de8b8d9bf76d7711d26.pdf?index=trueIn PDF document text
- https://14535e1a-360a-4d01-a655-fa33e115c80e.filesusr.com/ugd/b222ea_453cbc7f467e47ebb84a5d73a56e44ba.pdf?index=trueIn PDF document text
- https://2ad55d82-15d9-4995-b72c-f03dca93b5f4.filesusr.com/ugd/11b7eb_5d9737fc0b1442daa1310bfcd6acb325.pdf?index=trueIn PDF document text
- https://90e68d66-75cd-4f9f-aa76-03b1e6b67b4d.filesusr.com/ugd/324cd8_34e8555a8a514a9abaf283f9f89ce792.pdf?index=trueIn PDF document text
- https://6739ca04-605d-4ff4-b4c9-4e5bd75a7819.filesusr.com/ugd/031dda_7025c2e9c9a8435bbd956fc620608706.pdf?index=trueIn PDF document text
- https://6ba7316d-b84b-4ccb-a32a-103c856d4013.filesusr.com/ugd/91f37e_18c497cac5b94aac8b611baec7c83468.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_off00013352.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13352 | 5992 bytes |
SHA-256: e7f06de9da22c2be7dd8c31a84693fb78dec04e6d918384be61bb1f68ab3ae7e |
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font_01_sfnt_off000147a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147A0 | 11176 bytes |
SHA-256: 03ccc6430f8132f64f0351fac3018d156486841932c44fe73f21cc45fde12592 |
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