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://nomylo.ru/pbw?utm_term=subtraction+activity+sheets+for+grade+1 PDF link annotation
- https://jevalibiku.weebly.com/uploads/1/3/4/2/134266190/7ca504f8201e.pdfIn PDF document text
- https://luselovuxetox.weebly.com/uploads/1/3/0/7/130739290/1999791.pdfIn PDF document text
- https://boviseweduxiraz.weebly.com/uploads/1/3/0/7/130776594/5200183.pdfIn PDF document text
- https://bokorakalawu.weebly.com/uploads/1/3/4/6/134643693/dubekonup-suzote.pdfIn PDF document text
- https://funovupudejo.weebly.com/uploads/1/3/4/4/134473131/digobazolinato_kurojimap_julixijowarusi.pdfIn PDF document text
- https://rudumareta.weebly.com/uploads/1/3/1/8/131871695/kosavutetexe-femesidolenexu-wojufefavuxusuj-pejovepunezum.pdfIn PDF document text
- https://doliwalesi.weebly.com/uploads/1/3/0/7/130776147/b5a2c5540e0b9.pdfIn PDF document text
- https://nabolonoroxene.weebly.com/uploads/1/3/4/3/134373159/39df5633b8fc.pdfIn PDF document text
- https://vadekelovade.weebly.com/uploads/1/3/4/3/134372386/dujewozawapav.pdfIn PDF document text
- https://selikiwomutarew.weebly.com/uploads/1/3/5/3/135329437/jitipabumurebaku.pdfIn PDF document text
- https://pudufanosi.weebly.com/uploads/1/3/4/3/134324904/d00c5a.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/55999a86-ee2d-428b-aca8-e3e0d7075f21/71662431078.pdfIn PDF document text
- http://jeselivid.pbworks.com/w/file/fetch/144502332/76741950666.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/878f61a1-4c66-4ae6-925f-545b83b5c193/90746254187.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28c3cba0-47b6-4fc4-87dd-2c304bcf8f90/nidaro.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/669a2e57-bf31-4ba5-b33a-3c2dc909b224/lubitoxevaxisowabo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b114193-7bd0-4774-9de8-0826e05dcce7/65877430242.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cfadab00-7979-44b3-9720-ea40ceb290d6/where_did_manners_maketh_man_come_from.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3611215c-416b-4658-b7f4-3d4257113de0/51755178766.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/edb41d91-b613-437f-8297-84ab804f2e63/salanotisip.pdfIn PDF document text
- http://gitefov.pbworks.com/f/saxon_math_course_1_cumulative_test_15a.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_off0000dcc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCC4 | 5708 bytes |
SHA-256: 77ed22e9fd8bab0be096de427f0419879c3770895bcf830ed8781b5b1fd6edae |
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font_01_sfnt_off0000f03b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF03B | 10184 bytes |
SHA-256: 76b7c98c2e654d933416bb06b9b7fc30f2c5e1e66629947e3a29bf47e2e070a3 |
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