Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6e6851b3ce70b3…

MALICIOUS

PDF

45.6 KB Created: 2020-10-14 11:36:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: b760749816020dafca5c7af7836b901c SHA-1: 481eb63029bfdbf03bb4e60c133b687cfcdc98a5 SHA-256: 2b6e6851b3ce70b3837c5ee9b80b923f29d7924713e82a95994046b88f14633c
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=creating+simple+database+in+android+studio In PDF document text
    • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/mezevoxinokimuwamibu.pdfIn PDF document text
    • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/movew.pdfIn PDF document text
    • https://site-1036982.mozfiles.com/files/1036982/72985398969.pdfIn PDF document text
    • https://site-1039311.mozfiles.com/files/1039311/webagovekajibeni.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/1/0484/9120/0674/files/mitilelejewoxiloparewik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9020/7135/files/35908620885.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/8196/6764/files/jelupobawotebegan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0467/2675/files/maradatepo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9959/4656/files/93100198789.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d979b254-2428-40bf-9aac-3c674fb8fd14/1137758559.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f4c0bc20-77b7-43d0-8068-ee21f7d01388/mutorozijivenegowopavik.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_off000073bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73BF 5324 bytes
SHA-256: 0550fc63ddfe5a8a34c2220cf787a043c9f37e7aa1fd53c6a33db47915ac6bc7
font_01_sfnt_off000085b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85B8 10512 bytes
SHA-256: bb7ba4ddd6af81ecf532de540a18373f236b18af1d4706458a1b2ec48558fb06

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