Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7258e2d57619ac…

MALICIOUS

PDF

41.3 KB Created: 2020-11-04 23:12:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: 29b4ffe6dda94c529605186a2297ffd5 SHA-1: 19a3546e9c46ed63f5cc089f159f4d9891890ad1 SHA-256: cd7258e2d57619aca96f364beb0e1792c2fa1bf22e6b11e928ea761e1d6bb9db
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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://ttraff.club/123?keyword=shade+of+vampire+book+80 In PDF document text
    • https://cdn-cms.f-static.net/uploads/4366306/normal_5f93573d20810.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374688/normal_5fa1492d5ef92.pdfIn PDF document text
    • https://xinufagepowe.weebly.com/uploads/1/3/4/4/134437511/tasut.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380700/normal_5f8f53cb5d993.pdfIn PDF document text
    • https://veraweno.weebly.com/uploads/1/3/0/7/130739577/6462721.pdfIn PDF document text
    • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/3257372.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374185/normal_5fa301e2cd178.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369665/normal_5f984a3f38472.pdfIn PDF document text
    • https://vobemebu.weebly.com/uploads/1/3/4/3/134383317/lepovubi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414873/normal_5f9efc1b98e24.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/tiduro/xisasonexareximeg.pdfIn PDF document text
    • https://s3.amazonaws.com/dapekufoxiraku/93747392208.pdfIn PDF document text
    • https://s3.amazonaws.com/befarekogol/30680596616.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_off000062d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62D3 5776 bytes
SHA-256: ad76b7cc961d1e2209abc28610795f9b8875e7106532ed416e190e09715fb7ee
font_01_sfnt_off00007652.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7652 9996 bytes
SHA-256: 2d544b8f5657fe80256aef98b7a1c7110da47c88cf0914bf6d95f10322b9b349