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) First seen: 2026-05-09
MD5: be8dda81d2e2103d9bce90b4d16e3e0f SHA-1: d4ff595d20c1c8750bf1ee009f9378a2082a1cdf SHA-256: 68d0d26792c5c58617185c0b7b25abe4aafb9f30d9c0317c59f0a607274fc67f
142 Risk Score

Malware Insights

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

The PDF contains embedded links that point to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that is also flagged as malicious. The ML classifier strongly indicates maliciousness, and the overall context suggests a phishing attempt using a seemingly legitimate document lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9962

Heuristics 5

  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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 In PDF document text
    • http://beresigev.bjaninefulla.com/uploads/1/3/2/6/132682883/muruturuzufu-tejiveguj-kiret.pdfIn PDF document text
    • http://files.rochesterkino.co.uk/uploads/1/3/0/7/130776514/52dae9.pdfIn PDF document text
    • http://files.warrickchamber.org/uploads/1/3/1/3/131379014/6150748.pdfIn PDF document text
    • http://duluvowef.michelleswafford.com/uploads/1/3/0/8/130814328/zabowuso.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8640/4000/files/milawikusupobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8152/1560/files/auditoria_fiscal_e_tributria_crepaldi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1764/1879/files/wizidejedibojiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3651/5224/files/pifegupidokijuvumij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7258/4870/files/74361290556.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/dazejup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0409/8722/files/79311037784.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2341/8019/files/business_development_strategic_plan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3761/4499/files/adaptive_resonance_architecture.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6647/4139/files/xuxoraresi.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00044d05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44D05 5124 bytes
SHA-256: c847f3629f54ff4adce6009f94ab57ae7909dd0dc7340623b478921f59a7bdaf
font_01_sfnt_off00045e5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x45E5C 16024 bytes
SHA-256: edc80a9c87acf417977d64076d3393d5a30e97ff5db62558f4481c90bd5d5304
font_02_sfnt_off0004906f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4906F 16148 bytes
SHA-256: aabbb95e4258a1bccfe6759090a0a8b97a33e8154131110566ffb2eaa8fdb080

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