Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d0d36e97208f5a…

MALICIOUS

PDF

46.4 KB Created: 2020-11-02 02:39:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-28
MD5: 339e7b0665ff76575efd17506b3a1e26 SHA-1: 7ddcdf6d0434af6c4f8cc5c1c9d0d3f295d54f7e SHA-256: c5d0d36e97208f5a882cdb72ad81fb16a5829c8ceb39cbe8cbdd29e10b9d3e0f
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://ggtraff.ru/123?keyword=henry+county+georgia+school+calendar+2018-19 In PDF document text
    • https://vowijavig.weebly.com/uploads/1/3/4/3/134319359/lamazobu.pdfIn PDF document text
    • https://radutarogo.weebly.com/uploads/1/3/4/3/134379411/taref.pdfIn PDF document text
    • https://worozimovazez.weebly.com/uploads/1/3/1/4/131406108/5d2a1d.pdfIn PDF document text
    • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/8767144.pdfIn PDF document text
    • https://sejejuno.weebly.com/uploads/1/3/4/4/134447194/rurimorideleketato.pdfIn PDF document text
    • https://wusoxebuwewete.weebly.com/uploads/1/3/4/4/134432123/janawerutiligimajajo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://uploads.strikinglycdn.com/files/b762f220-5fff-49af-8de8-42a85c08b94e/ridos.pdfIn PDF document text
    • https://s3.amazonaws.com/xuzed/reduction_file_size_online.pdfIn PDF document text
    • https://s3.amazonaws.com/petuzutemixuvod/suxovelapedex.pdfIn PDF document text
    • https://s3.amazonaws.com/susopuzupure/talajo.pdfIn PDF document text
    • https://s3.amazonaws.com/wuniku/hernia_belly_band.pdfIn PDF document text
    • https://s3.amazonaws.com/gotijejaj/gafurudefetavebupexas.pdfIn PDF document text
    • https://s3.amazonaws.com/zafaronivaj/43668980194.pdfIn PDF document text
    • https://s3.amazonaws.com/dinilederu/noico_80_mil_black.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000051e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51E4 5972 bytes
SHA-256: acac69ecd80f5654a42c0d3598b1a42d2d3d40e3c42cec55004157100453ce48
font_01_sfnt_off0000663b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x663B 9648 bytes
SHA-256: 60224f18f538b85d4940210880c737bfb85828597a87160f17e66132f5307b9f
font_02_sfnt_off00008737.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8737 12148 bytes
SHA-256: ea31c6781af52ff9bfc85beeb6de0846e3dde36f2b3ac3278ad137236ab85866