Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e7255b5de5f7d62…

MALICIOUS

PDF

82.5 KB Created: 2021-04-28 13:41:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 2d540d710f46439fd4d8ed4cee59caaf SHA-1: 5b2abedef934913f5c94cd1a544a4e1268c5cc40 SHA-256: 9e7255b5de5f7d62998ba8fd36ef8d913230e5beca8d4d291f95cb84e741564b
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The document contains numerous embedded URLs, with one prominent URL pointing to 'botokaw.ru', suggesting a phishing or redirection attempt. The presence of a link farm on disposable hosting further supports a malicious campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://botokaw.ru/strik?utm_term=how+long+to+deep+fry+turkey+wings+in+butterball+turkey+fryer PDF link annotation
    • http://ontrade.top/24649319557fz7b5.pdfIn PDF document text
    • http://ing-cliente.com/33020011210pgidd.pdfIn PDF document text
    • http://wanebiwadu.iblogger.org/implicit_differentiation_tangent_line_worksheet.pdfIn PDF document text
    • http://kafofal.mygamesonline.org/vorulelukedevewo.pdfIn PDF document text
    • https://kupowenip.weebly.com/uploads/1/3/4/0/134042521/tabanapuwin-rukok-gegigibi.pdfIn PDF document text
    • http://werenntaq.online/gukukidup7nfl.pdfIn PDF document text
    • http://yoga-italy.space/coleman_gas_furnace_modelshx0y5.pdfIn PDF document text
    • https://pinenovi.weebly.com/uploads/1/3/4/5/134509314/wopevuwisurijo-zekasimazabi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zikuwopuduzowe.epizy.com/bexakopirejitoredofopigu.pdfIn PDF document text
    • http://novoniranalisa.epizy.com/laporan_kasus_unstable_angina_pectoris.pdfIn PDF document text
    • https://1ce8651a-bfbb-4b9a-b1bf-24b3b574775a.filesusr.com/ugd/ac72e0_e7a85fb7725b4e11a87617c7e3646d84.pdf?index=trueIn PDF document text
    • http://tikomiwewo.atwebpages.com/tabla_de_conversion_de_pulgadas_a_centimetros.pdfIn PDF document text
    • http://lazuletezofik.onlinewebshop.net/garmin_nvi_1490_update.pdfIn PDF document text
    • http://defozuwonig.rf.gd/zosunudanivonunefigut.pdfIn PDF document text
    • http://lizolejixo.rf.gd/bose_bluetooth_speaker_revolve_manual.pdfIn PDF document text
    • http://fikelamizogu.myartsonline.com/zanaje.pdfIn PDF document text
    • https://c9b0c9dc-51ad-46ec-84b2-dbc26df53712.filesusr.com/ugd/b6f588_7ed6684c6a994609a719b9469d2dacef.pdf?index=trueIn PDF document text
    • https://26bfc7ce-baa4-43a1-9280-72312523cbd3.filesusr.com/ugd/5af86b_2cf86940b547447aadb838f7033a162c.pdf?index=trueIn PDF document text
    • https://9df6e0af-a028-4e88-91ba-61a1b37318d5.filesusr.com/ugd/7c1f05_262793e1f5e14d98af7c0bf3b385f317.pdf?index=trueIn PDF document text
    • http://zamopikuziluw.epizy.com/relaf.pdfIn PDF document text
    • http://lijizuzinarit.epizy.com/sap_crystal_reports_software_free.pdfIn PDF document text
    • http://lugirike.epizy.com/19728910728.pdfIn PDF document text
    • http://mosebokolerer.epizy.com/zikavonubofapigixizumu.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.

FilenameKindSourceSize
font_00_sfnt_off00010282.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10282 5568 bytes
SHA-256: d7f0d18df3a08cb309f9fab60b15afb6227b6f21ea3928c4eb00552dd57a631b
font_01_sfnt_off0001159f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1159F 11456 bytes
SHA-256: b0b52976c6ce99b23af23ac8c279ff1b5a793d48d716b7f814435b407acca724

Open this report in the interactive analyzer, or submit your own file for analysis.