Malicious PDF — malware analysis report

Static analysis result for SHA-256 08de5fb274019275…

MALICIOUS

PDF

79.2 KB Created: 2021-03-19 21:00:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c8891d80aa3cb89b10d9b7bc8af455eb SHA-1: 9e617ca2d22d85a73636587f866eed637aea0f17 SHA-256: 08de5fb274019275a394333bb1bf5123e2c376bef5f993aef94ec9f5d17ecd99
104 Risk Score

Malware Insights

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

The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains an embedded URI pointing to a suspicious domain, likely serving as a lure for phishing or malware distribution. The document body's content, though garbled, suggests a pretext related to a service manual, potentially to mask the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9964

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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://xezojetit.ru/strik?utm_term=canon+mp250+service+manual+pdf
    • https://fadabavawabup.weebly.com/uploads/1/3/4/0/134095990/d5379c8d.pdf
    • https://static.s123-cdn-static.com/uploads/4403820/normal_5feb5e6e7d721.pdf
    • http://chtotakoevuxom.biz/how_to_deal_with_power_imbalance_in_conflict_resolutionqhwd7.pdf
    • https://xugimitedekilim.weebly.com/uploads/1/3/1/4/131482884/tepojewudexulavijetu.pdf
    • https://cdn-cms.f-static.net/uploads/4372955/normal_603e8fde04267.pdf
    • https://static.s123-cdn-static.com/uploads/4465392/normal_60035ba46090a.pdf
    • http://kemytbok.xyz/36423535580chxjd.pdf
    • https://static.s123-cdn-static.com/uploads/4481067/normal_5fcb2fa137947.pdf
    • https://static.s123-cdn-static.com/uploads/4469103/normal_5fdeba1354c50.pdf
    • http://new-leggins.site/elements_of_arts_in_egyptian_sculptureez9xi.pdf
    • https://lejonelawubuw.weebly.com/uploads/1/3/1/4/131453657/wojugas-xubin-mudasamerobim-kuzigulel.pdf
    • https://cdn-cms.f-static.net/uploads/4480905/normal_60500f1ce8bd0.pdf
    • http://lnstagramcopyrighthelps.com/tor_browser_windows_7_32_bitb03uf.pdf
    • http://takodevizol.iblogger.org/97283182371.pdf
    • https://static.s123-cdn-static.com/uploads/4470412/normal_5feb2d82e8543.pdf
    • http://samudevupogawi.iblogger.org/61488661130.pdf
    • https://mifopubulu.weebly.com/uploads/1/3/1/6/131637027/ligetoko.pdf
    • https://cdn-cms.f-static.net/uploads/4464083/normal_603a5a7240878.pdf
    • https://cdn-cms.f-static.net/uploads/4408180/normal_6021524f8859d.pdf
    • http://gezilobogobig.22web.org/90489292296.pdf
    • http://vamoktin.ru/32565381689xgfez.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://a9750898-a066-404d-a796-54a2f5ad13bb.filesusr.com/ugd/60231a_62237ba412f640e5bfd451a5d0ce4ed7.pdf?index=true
    • http://bovaxibeloxev.rf.gd/september_2020_calendar_editable.pdf
    • https://1b6fbac1-9b66-4609-9151-81f5d4c316f7.filesusr.com/ugd/5e81b9_d7951ebba79b4ce0af8f3ffae110254c.pdf?index=true
    • http://lenawevurokolup.epizy.com/bdc_long_form_in_sap.pdf
    • https://ebcfae26-b4e4-4f1a-a5b2-c5bdbddc1bdf.filesusr.com/ugd/259f90_3bca4b2c2303430d9698c0f4a5f6a846.pdf?index=true
    • https://73af689e-4c80-4f62-99d3-7a886641ad81.filesusr.com/ugd/3b5dd9_025f51c11d354fb8b53f2191555ee375.pdf?index=true
    • https://45dcde1a-aed5-4138-b95e-a0f768a283bf.filesusr.com/ugd/89441e_0e6c46db886947b895da594fb6ba0aaf.pdf?index=true
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f60a.bin
3eeb106fe0d36ec9f99299c30f7bc2ed76f84a02c39def948cca75af40d09c7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF60A 5664 bytes
font_01_sfnt_off0001093f.bin
c41671f7fd0f2da2fd1ce36324eaed5d5e6730fe65281638434c38384d756347		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1093F 10532 bytes

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