MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm designed to redirect users to malicious sites. The primary malicious URL identified is https://nipisod.ru/strik. The document's structure and embedded links indicate it is part of a phishing or malware distribution campaign.
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://nipisod.ru/strik?utm_term=can+you+cook+a+frozen+roast+in+a+pressure+cooker PDF link annotation
- https://cdn-cms.f-static.net/uploads/4423133/normal_5fd16f4ad9d08.pdfIn PDF document text
- https://fofirajajamide.weebly.com/uploads/1/3/4/6/134643930/kuzovowagovofixuwan.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388274/normal_5fef99ab1bb2f.pdfIn PDF document text
- https://jutokikifugata.weebly.com/uploads/1/3/1/0/131070124/lapirupid_ropis.pdfIn PDF document text
- http://pozijuza.scienceontheweb.net/elements_of_musical_theatre.pdfIn PDF document text
- http://pedagodogiko.getenjoyment.net/79193841516.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501233/normal_60251982b5994.pdfIn PDF document text
- https://paleforekirito.weebly.com/uploads/1/3/4/5/134579508/viwokivukozufigojope.pdfIn PDF document text
- https://muxetomanudone.weebly.com/uploads/1/3/1/4/131406273/68e415c23be71f2.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/6199e64f-9e03-4eed-9fa0-76039f09a57b/can_you_play_splatoon_without_the_wii_u_gamepad.pdfIn PDF document text
- https://s3.amazonaws.com/jiwisigetizoxif/81233238436.pdfIn PDF document text
- https://s3.amazonaws.com/zopenave/luneti.pdfIn PDF document text
- https://s3.amazonaws.com/fexuror/referral_fee_agreement_template_australia.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/696c983f-b8b5-4a06-97be-9015f5e85dd2/vawevexasekumafijapaf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2401337b-2e57-4253-a782-fdaf3828c336/what_is_functionalism_sociology_definition.pdfIn PDF document text
- https://s3.amazonaws.com/wetowuzuxit/going_postal_pelicula_espaol_online.pdfIn PDF document text
- https://s3.amazonaws.com/xamibebulosaxug/mozibupuwok.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4e9c7beb-74aa-4b5b-92fb-74105d752482/lumizinap.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/24863e70-9214-40b6-8236-f5cef78c3d68/snakes_in_suits_when_psychopaths_go_to_work_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/35499c5d-caaf-4088-8dcb-5a3c8029e7b1/38722224847.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_off0000e65f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE65F | 5100 bytes |
SHA-256: 0de93683ceaba3d0e718654cd2a74bc9ed402cc398042d0142e9a6cbdf555e75 |
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font_01_sfnt_off0000f7e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E3 | 10112 bytes |
SHA-256: 2867adeb09e8f2ddc64b8bee661cf4759f869074e1298fa783bb98983d6c47e5 |
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