Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ad7ddeeb0134a68…

MALICIOUS

PDF

32.0 KB Created: 2020-10-30 18:48:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-07-20
MD5: a7f72776b11936d34437f04650d301f2 SHA-1: 4ad1ea0b4928ee2929736755f2befe646d0d3c1a SHA-256: 9ad7ddeeb0134a68c97eece0d8081e15ea45c2dcb23843e3da4ebf8b171f30ad
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=los%20numeros%20ordinales%20worksheet In PDF document text
    • https://s3.amazonaws.com/magapeguwabe/misal_romano_catolico.pdfIn PDF document text
    • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/c0fcd04.pdfIn PDF document text
    • https://s3.amazonaws.com/besafefaf/download_imvu_apk_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/fezenur/business_model_generation_ebook.pdfIn PDF document text
    • https://s3.amazonaws.com/dumupa/vegoroxomax.pdfIn PDF document text
    • https://femevidawivuk.weebly.com/uploads/1/3/1/0/131071063/kazakekezej-getegowaju-gifonenes-gexujagoget.pdfIn PDF document text
    • https://s3.amazonaws.com/moduxanakuri/forunojagadipo.pdfIn PDF document text
    • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/kizerapu.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000043c1.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000043c1.bin)
    • https://cdn.shopify.com/s/files/1/0504/1333/8822/files/tally_course_syllabus_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/2800/4039/files/60595537219.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5106/5242/files/29037376386.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0505/5958/2373/files/sakovibodi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/4325/3152/files/junel_fe_21_day_instructions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/6312/2337/files/zorilobanukof.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a4f3e069-51fa-4e5f-94e3-174d09fb3d82/massey_ferguson_240_owners_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/8247/2352/files/72383789837.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_off000043c1.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_off000043c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x43C1 5160 bytes
SHA-256: c9f948b52660faae586f017f59006801dfb72c5d6f9431c294be27aff71d2fff
font_01_sfnt_off0000552f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x552F 8828 bytes
SHA-256: 66a5469609b2597bc75af2b93299d41aae6ffd3d83923c1910dd8665947cb912

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