Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb0d1e0dac0eee6e…

MALICIOUS

PDF

68.1 KB Created: 2021-02-05 10:33:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12
MD5: 51b04d0c109d9add0b3e1d1d19924045 SHA-1: b719b3b715fd3ecb4df94b4f67eb77f64605659c SHA-256: fb0d1e0dac0eee6e087ccc2199300c66ad6e6df53a913e0415dca873df696642
96 Risk Score

Malware Insights

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

The PDF contains an external URI pointing to a suspicious domain, which is a strong indicator of a phishing or malware distribution attempt. The ML classifier and ClamAV detection further confirm the malicious nature of the file. While no scripts were explicitly extracted, the presence of embedded URLs and the overall detection suggest the document is designed to redirect users to malicious content, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://bologen.ru/123?utm_term=washington+state+lemon+law+appliances PDF link annotation
    • https://cdn.sqhk.co/nozesinipi/xjj5rhc/42244622095.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387417/normal_6012fc71daeaf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4407314/normal_5fe03c0e7ef49.pdfIn PDF document text
    • http://ita-bio.space/27730119207sehnv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381531/normal_5fd28bb451487.pdfIn PDF document text
    • http://winwites.space/national_geographic_subscription_loginu4gd3.pdfIn PDF document text
    • http://amst-watch-v2.club/kepipjhlmm.pdfIn PDF document text
    • http://stonersfranchise.com/hi_ho_its_off_to_work_we_goqvugv.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492257/normal_5ff4ba445ef9b.pdfIn PDF document text
    • http://vannlight.ru/alone_whatsapp_status_malayalam_downloadfr06t.pdfIn PDF document text
    • http://s7hmus.org/hot_deals_on_wheels_olympia_wa67pdg.pdfIn PDF document text
    • https://cdn.sqhk.co/dujuxafetot/apigChb/international_business_management_salary_in_canada.pdfIn PDF document text
    • http://biggymstoe.com/582000680294gysd.pdfIn PDF document text
    • http://tronreserve.online/kametujumuteb1qs98.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/ragejufa/7965678461.pdfIn PDF document text
    • https://s3.amazonaws.com/tezude/il_barbiere_di_siviglia_libretto.pdfIn PDF document text
    • https://s3.amazonaws.com/peveziwoguxuzam/gta_cheat_codes_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/gurowozenupifi/adobe_xd_templates_app_free.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_off0000ce60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE60 5356 bytes
SHA-256: 222e472d2c37c13d7bc6734b238e791f3596a4e16aac2aac801c90d1ec61655a
font_01_sfnt_off0000e095.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE095 10140 bytes
SHA-256: 1e50a100bf812ef0d9e5b34519e9f9e34c26c86b195c21bf231dd211739ed9b0

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