Malicious PDF — malware analysis report

Static analysis result for SHA-256 68d0d26792c5c586…

MALICIOUS

PDF

301.3 KB Created: 2020-08-14 22:24:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: be8dda81d2e2103d9bce90b4d16e3e0f SHA-1: d4ff595d20c1c8750bf1ee009f9378a2082a1cdf SHA-256: 68d0d26792c5c58617185c0b7b25abe4aafb9f30d9c0317c59f0a607274fc67f
102 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=idsa+tb+meningitis+guidelines'. The document body also contains this URL, suggesting it's the primary lure. The presence of urgency language further supports a phishing or scamming attempt. While no scripts were explicitly extracted, the nature of the redirector and the ML classification indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9962

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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://ttraff.ru/pify?keyword=idsa+tb+meningitis+guidelines
    • http://beresigev.bjaninefulla.com/uploads/1/3/2/6/132682883/muruturuzufu-tejiveguj-kiret.pdf
    • http://files.rochesterkino.co.uk/uploads/1/3/0/7/130776514/52dae9.pdf
    • http://files.warrickchamber.org/uploads/1/3/1/3/131379014/6150748.pdf
    • http://duluvowef.michelleswafford.com/uploads/1/3/0/8/130814328/zabowuso.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0437/8640/4000/files/milawikusupobi.pdf
    • https://cdn.shopify.com/s/files/1/0437/8152/1560/files/auditoria_fiscal_e_tributria_crepaldi.pdf
    • https://cdn.shopify.com/s/files/1/0431/1764/1879/files/wizidejedibojiv.pdf
    • https://cdn.shopify.com/s/files/1/0435/3651/5224/files/pifegupidokijuvumij.pdf
    • https://cdn.shopify.com/s/files/1/0434/7258/4870/files/74361290556.pdf
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/dazejup.pdf
    • https://cdn.shopify.com/s/files/1/0438/0409/8722/files/79311037784.pdf
    • https://cdn.shopify.com/s/files/1/0428/2341/8019/files/business_development_strategic_plan.pdf
    • https://cdn.shopify.com/s/files/1/0429/3761/4499/files/adaptive_resonance_architecture.pdf
    • https://cdn.shopify.com/s/files/1/0432/6647/4139/files/xuxoraresi.pdf
    • 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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00044d05.bin
c847f3629f54ff4adce6009f94ab57ae7909dd0dc7340623b478921f59a7bdaf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x44D05 5124 bytes
font_01_sfnt_off00045e5c.bin
edc80a9c87acf417977d64076d3393d5a30e97ff5db62558f4481c90bd5d5304		 pdf-font-stream PDF embedded font (sfnt) at offset 0x45E5C 16024 bytes
font_02_sfnt_off0004906f.bin
aabbb95e4258a1bccfe6759090a0a8b97a33e8154131110566ffb2eaa8fdb080		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4906F 16148 bytes

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