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 0.9998
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://nipisod.ru/strik?utm_term=ccie+wireless+book+pdf PDF link annotation
- https://bikujezojodu.weebly.com/uploads/1/3/4/5/134587809/dixuwutuwosuxis_zotilo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485573/normal_603cc4cfdd8f1.pdfIn PDF document text
- https://nubegajal.weebly.com/uploads/1/3/4/6/134668927/xotibokadodepanu.pdfIn PDF document text
- https://wapetosov.weebly.com/uploads/1/3/4/6/134665674/9359501.pdfIn PDF document text
- https://bemetapijulew.weebly.com/uploads/1/3/1/4/131437656/5709682.pdfIn PDF document text
- https://samibogamo.weebly.com/uploads/1/3/4/8/134883552/niniwute-venawis-fukimedopebugor-supozepobosok.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456667/normal_60633079354ec.pdfIn PDF document text
- https://poxaneduwi.weebly.com/uploads/1/3/4/2/134234601/patev.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379380/normal_5ff04817a3134.pdfIn PDF document text
- https://lotitarep.weebly.com/uploads/1/3/1/3/131383228/498313.pdfIn PDF document text
- https://xumizobizuzu.weebly.com/uploads/1/3/4/6/134688834/5eabe.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/b15fa717-f77d-46d2-8b85-12d4912b4d9b/how_much_do_tji_floor_joist_cost.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fa4e5662-3d6a-400c-a23f-49636eaa49ac/xololupasik.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b73ff356-45cf-4a81-8999-c84d96c11e22/96154037935.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3bd2b5a4-fcbb-4791-a973-abc134b7b519/samsung_bd-j6300_region_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8e99f739-3821-4e4c-8272-17e63a978dea/kubagowemevoropowozas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b99fbcc3-cb67-44a4-86a0-a927353bbad7/which_of_the_following_represents_the_correct_ordering_of_sections_on_a_classified_balance_sheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d64e300-92e3-4b56-bf83-dc658545cf22/gotutodasud.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/67002756-375c-484d-8b81-62ae7cfdb328/51265667550.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_off0000eca4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA4 | 5140 bytes |
SHA-256: b4cd8d4cfdad1db491989ce1be7cb52d0b7dac7277dc4998aafed407cca0b9e0 |
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font_01_sfnt_off0000fe3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE3F | 11060 bytes |
SHA-256: 58a0693327d4383f62b0ff429622b92db096453b06e9e5caaecb29430f199794 |
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