MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier, containing a link farm with numerous external URLs. The primary URL, 'https://vilenefex.ru/strik?utm_term=reading+comprehension+passages+with+questions+and+answers+pdf+3rd+grade', suggests a lure related to educational content. The PDF structure indicates it's designed to host many links, likely for SEO manipulation or redirecting users to malicious sites.
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://vilenefex.ru/strik?utm_term=reading+comprehension+passages+with+questions+and+answers+pdf+3rd+grade PDF link annotation
- http://zatoxuvisovapuf.sportsontheweb.net/tozidopedifudiv.pdfIn PDF document text
- https://gupapuna.weebly.com/uploads/1/3/4/7/134726568/nalolowaxisif.pdfIn PDF document text
- http://noxesim.iblogger.org/50962446235.pdfIn PDF document text
- https://cdn.sqhk.co/geroterunetu/pjchaik/80917007994.pdfIn PDF document text
- http://kogutojoveso.mywebcommunity.org/kosum.pdfIn PDF document text
- https://cdn.sqhk.co/ravuviwidi/7ibAjg3/vikings_cast_season_5_ivar_wife.pdfIn PDF document text
- https://pizalekelakeg.weebly.com/uploads/1/3/4/3/134376537/nixorebim.pdfIn PDF document text
- https://gazafakapudon.weebly.com/uploads/1/3/4/3/134345815/tuluzigapovuferegate.pdfIn PDF document text
- https://giwuvapelefawi.weebly.com/uploads/1/3/4/8/134869604/zabixemowigug.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/1c367afc-be1a-49d5-b61f-4792a32bd50f/mosovujage.pdfIn PDF document text
- http://viniwowosur.onlinewebshop.net/how_to_structure_a_novel_series.pdfIn PDF document text
- https://9cf5cc10-3c2e-4e30-ae6b-73ed7beed88a.filesusr.com/ugd/5c2b46_fd44e57923ef4783a881d8196fc3b6e7.pdf?index=trueIn PDF document text
- https://2a6c20f5-091f-48b5-a5be-bf749919b1f6.filesusr.com/ugd/3794ad_decda0ed1e7e492481f4bbf64dd03a9b.pdf?index=trueIn PDF document text
- https://441768bb-9839-4df4-8f78-dd1233b527f6.filesusr.com/ugd/7e6080_3b10d42426a34ff38773f178a71632d4.pdf?index=trueIn PDF document text
- http://sawesupunozigiv.atwebpages.com/226797496.pdfIn PDF document text
- http://nazedizabif.rf.gd/38095082843.pdfIn PDF document text
- http://dizogabage.rf.gd/rikomusukitafig.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fac629ad-2958-4c68-8a7c-43f0a87b4e3f/como_colocar_o_zoom_meeting_em_portugues.pdfIn PDF document text
- https://db244590-af71-4c33-bd6e-2f8f55f31281.filesusr.com/ugd/fdab61_a7e1d644108d4788b60342fe1cb16fa4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cd8e466c-d4b9-4827-aa5f-76947070b063/logitech_x-530_5.1_powered_speaker_system.pdfIn PDF document text
- https://edb7bb8d-792a-4213-93ec-7f573d37cc74.filesusr.com/ugd/bfd504_371c74b335884fa6be6dc4085f3c6c98.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fef7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEF7 | 5808 bytes |
SHA-256: 8d4e735782257026c04e2ec0ff7d1f1d78937626a10bf8a764040285c358ab0a |
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font_01_sfnt_off0001129c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1129C | 10916 bytes |
SHA-256: 772e860f28cf54656bdd7998b68dcd3e214b21503edea4234dbbe8dcb49e2ca2 |
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font_02_sfnt_off0001378f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1378F | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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