MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as a link farm containing numerous external links to other PDFs, many hosted on disposable domains. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The primary malicious activity observed is the distribution of a large number of links, likely intended to direct users to malicious sites or to manipulate search engine results.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://midufefew.ru/strik?utm_term=what+is+a+meeting+called+after+an+event PDF link annotation
- https://kajubuti.weebly.com/uploads/1/3/2/6/132680994/d4366acf.pdfIn PDF document text
- https://didizotaxudip.weebly.com/uploads/1/3/4/6/134619455/8e9101.pdfIn PDF document text
- https://lalusilimedam.weebly.com/uploads/1/3/0/9/130969483/702241.pdfIn PDF document text
- https://dajikapepexav.weebly.com/uploads/1/3/4/5/134597014/jusagigowavut.pdfIn PDF document text
- https://gokejaxax.weebly.com/uploads/1/3/6/0/136056436/raziduwopuzotamin.pdfIn PDF document text
- https://vexibalob.weebly.com/uploads/1/3/4/8/134896466/maburapodixafenez.pdfIn PDF document text
- https://jixatazibasuv.weebly.com/uploads/1/3/4/4/134402985/fazelodakifiwivan.pdfIn PDF document text
- https://xifekuvazunavel.weebly.com/uploads/1/3/4/7/134748582/385bcd82ba60d.pdfIn PDF document text
- http://jigiwikab.22web.org/joindre_dans_word.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/a0eebddd-4624-463f-b77c-e5f0ef2f5034/3935184123.pdfIn PDF document text
- http://vunodakurawofo.rf.gd/30403740607.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b6e7bb3-ac28-4a79-b4cf-91b8bcb285ae/social_learning_theory_of_bandura_ppt.pdfIn PDF document text
- https://ce099f17-eb12-430b-a452-8d789b3ee5a8.filesusr.com/ugd/aef5b7_c084e8b2c2b14c10a6452d40dcd06489.pdf?index=trueIn PDF document text
- http://mafofeguf.epizy.com/sajubaletanutafulofowatu.pdfIn PDF document text
- http://ralakevitodabaj.epizy.com/regular_verb_list_in_hindi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5bc500df-1e4c-4056-8352-ff5baf6a751f/silabilowofuvon.pdfIn PDF document text
- http://gixopefujunop.rf.gd/37095145837.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf781d72-3ea5-4738-a27c-6bdaa5bcfb05/the_big_game_book_summary.pdfIn PDF document text
- https://f8206d31-21c4-4aef-9da9-e4259ded718a.filesusr.com/ugd/c2bdac_a2dbb67d224a42c898b2ff3e9cf2370d.pdf?index=trueIn PDF document text
- http://zinuruxe.epizy.com/padasebired.pdfIn PDF document text
- https://359ea524-acbf-40a7-8d58-ee96a8f10bc8.filesusr.com/ugd/ca2e76_813dd9190ff1482ab934ba9a6ab3f9fc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9d4dea33-819b-49dc-92aa-481cbca58a6e/carry_on_luggage_sale.pdfIn PDF document text
- http://mewarur.rf.gd/75325873794.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_off0000ee4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE4E | 5508 bytes |
SHA-256: 4c13980459734e99ce6c49e985af10bd7e1b0d6a66c962e39b5ebe12373fdad8 |
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font_01_sfnt_off000100ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100ED | 10880 bytes |
SHA-256: e89b331a79b616c662ef66a785a35433adc301e1939bb93536e9cc3b0cfa88ca |
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