Malicious PDF — malware analysis report

Static analysis result for SHA-256 d07b136ab32ebf1e…

MALICIOUS

PDF

70.7 KB Created: 2020-10-31 00:59:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-06
MD5: 175a54d019e9c518502fcec3389b068b SHA-1: eda0a58bd56f13f16ab5dda7b0a2c309779fb39d SHA-256: d07b136ab32ebf1e38904636b20abfffc1ae5ba07f2b9d05494d2ab181fc252e
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=mechanical%20vibrations%20pdf%20notes In PDF document text
    • https://kagafalevusina.weebly.com/uploads/1/3/4/3/134368330/54be360ab93c634.pdfIn PDF document text
    • https://duxixujojive.weebly.com/uploads/1/3/0/7/130739103/dudorudizud.pdfIn PDF document text
    • https://s3.amazonaws.com/henghuili-files2/lapisepuxerex.pdfIn PDF document text
    • https://fuparududewon.weebly.com/uploads/1/3/1/8/131856041/7600545.pdfIn PDF document text
    • https://tejigenunonim.weebly.com/uploads/1/3/0/8/130813632/0e7825e7c8476.pdfIn PDF document text
    • https://s3.amazonaws.com/jeromopelurab/meet_your_spirit_guide_meditation_script.pdfIn PDF document text
    • https://viwuwobigoku.weebly.com/uploads/1/3/1/3/131378942/molorumewepinizowev.pdfIn PDF document text
    • https://s3.amazonaws.com/zarelusipofox/brexit_agreement_summary.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391319/normal_5f98cdbf96558.pdfIn PDF document text
    • https://s3.amazonaws.com/zetare/dactylic_hexameter.pdfIn PDF document text
    • https://fawefugixizim.weebly.com/uploads/1/3/1/3/131383791/riwuzemapepawed_pobibatas.pdfIn PDF document text
    • https://s3.amazonaws.com/fasanag/sagupopumunupibepikewafit.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000c966.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000c966.bin)
    • https://uploads.strikinglycdn.com/files/1669b7d8-5aa5-4f13-936d-d0d70051d648/jedelivomix.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/abe920a7-3dac-4198-9577-04c3fc7f5903/xafatonajakedap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0819/6767/files/11051655133.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 extracted file (font_00_sfnt_off0000c966.bin)

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c966.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC966 5448 bytes
SHA-256: 56ac908d7d6e12642f5a544ef25cc31b4986a740f8a1ec14f89ce9d4d0ea32a1
font_01_sfnt_off0000dbf3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBF3 15744 bytes
SHA-256: da1ebccb3c8a867afb99eb60b7cf4a6d5a4acc80ca711cf29c7d831cd6feb0f9

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