Malicious PDF — malware analysis report

Static analysis result for SHA-256 793d11f096ebf091…

MALICIOUS

PDF

32.5 KB Created: 2020-10-25 22:05:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-14
MD5: fec0883e10239c634bc321362311ae92 SHA-1: 513393598b0c733c8f06a4b82d6ed49cf5a268f3 SHA-256: 793d11f096ebf091e7d72462a78cc28fcd5f1d5ad09583bd4efe443c9a961079
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • 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://gettraff.ru/wb?keyword=bosch%20classixx%20condenser%20dryer%20manual In PDF document text
    • https://biwugina.weebly.com/uploads/1/3/1/1/131163984/wujunumetesafe.pdfIn PDF document text
    • https://pevinuwipe.weebly.com/uploads/1/3/0/8/130873962/b1e62206.pdfIn PDF document text
    • https://biwilodumiz.weebly.com/uploads/1/3/4/3/134319983/lutazediluleratifaz.pdfIn PDF document text
    • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/297c0.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/donarepemi/cement_production.pdfIn PDF document text
    • https://s3.amazonaws.com/mokuwanibof/kafewoxoj.pdfIn PDF document text
    • https://s3.amazonaws.com/xesigeze/gexav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6496/5782/files/buvugomenipatesawujizunif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9178/6918/files/ronurabigokojobid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0502/2439/8528/files/tommy_hilfiger_ladies_size_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/9212/4864/files/85030024423.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0497/8494/6850/files/klepsydra_pogrzebowa_wzr.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0500/4764/7894/files/constant_velocity_particle_model_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/5639/8246/files/microprocessors_and_microcontrollers_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/0205/5834/files/average_acceleration_formula_graph.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/6875/8453/files/92839446283.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_off00004274.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4274 5400 bytes
SHA-256: e68c4edf5414a65ddab405e02856390beda6d7c8d33ff821159528b400e7c7da
font_01_sfnt_off0000549b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x549B 9572 bytes
SHA-256: 0d56283560a9c37fc914c747ffe33c1dab4446771b52387f33b046d146d046a0

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