Malicious PDF — malware analysis report

Static analysis result for SHA-256 793d5c1b49da81f0…

MALICIOUS

PDF

45.5 KB Created: 2020-10-28 22:13:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-15
MD5: 65323ac2f3da4f873b0e631970e02fa5 SHA-1: 601e4b0ca4e65b448307e2c0969f03bdebc310fb SHA-256: 793d5c1b49da81f0bc00020cbf0e8b98ed8258e0bd874926e0418cc911e474e0
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/strik?keyword=round+house+jeans In PDF document text
    • https://zadumeredevasax.weebly.com/uploads/1/3/1/4/131453870/wigaz.pdfIn PDF document text
    • https://bikojeril.weebly.com/uploads/1/3/3/9/133999271/nipisegekosanu-rejisuwonuwij-nimaw.pdfIn PDF document text
    • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/fisup.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/1/0498/4936/8743/files/zigirinaforemepifopowi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e7af5b6d-a725-4bda-8c9a-17a7b026b042/kugesetuzeluvuju.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c4fa9104-adf2-4030-bf0c-8ff099a6b40e/39611001980.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8a738d54-9ec3-4a3b-bf58-aaae419b82c1/15714428487.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4569/0266/files/3907399296.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f38f788-3b9a-484c-9162-eaa6a28e6170/85208670414.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0495/2958/5830/files/dajexiraraj.pdfIn PDF document text
    • https://s3.amazonaws.com/subud/38400614340.pdfIn PDF document text
    • https://s3.amazonaws.com/bisegilupuf/pukasisaxasiso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/7255/2601/files/41203117934.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0492/4388/1628/files/58424102667.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/15c13a63-74d2-4b94-b01b-937f1689c029/tukaxexixoja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/0878/9150/files/reponaxosarelizitog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/9552/6049/files/adding_decimals_worksheet_7th_grade.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0502/7168/2728/files/xodupapazarumuvatisuke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0502/0034/6803/files/tubobewawozojazu.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzaganog/manual_de_programacion_arduino_uno.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_off000073a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73A9 4868 bytes
SHA-256: 15876e86b76f3f87cdda961fba95da1fade28feb01ab4965be03cf057694dc31
font_01_sfnt_off00008436.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8436 10768 bytes
SHA-256: 586d698b289b0f251fa0c83bc3d5a2ee5642cebc2c9b6cf9fbfa0bffb716786f

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