Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f0215416e07eea3…

MALICIOUS

PDF

63.8 KB Created: 2020-11-08 05:16:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6ff92a892d61d7aeb1450bba73990440 SHA-1: 76ce5a66bc5affd12b2ebfaf2237b3918bff4ba1 SHA-256: 7f0215416e07eea3a8c77b25fbda5daa1c601fb5570a28982883bdecc72cb5e1
76 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains heuristics indicating it is a malicious SEO redirector, designed to lure users with an image and redirect them to a suspicious URL. The embedded URL 'https://traffset.ru/123?keyword=the+craft+pdf' is the primary indicator of malicious intent. While no scripts were explicitly extracted, the PDF structure and the presence of external links suggest an attempt to deliver a payload or phish for credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://traffset.ru/123?keyword=the+craft+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4374371/normal_5f8ec4a76a749.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405946/normal_5f98412059e3a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368770/normal_5f92fe6026142.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401694/normal_5fa5bfda9b6d3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366018/normal_5f8b82be20028.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372987/normal_5fa15fda7d405.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367656/normal_5f878918148f1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375518/normal_5f991082997ba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368471/normal_5f91cf6d0095d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365541/normal_5f8f871b04da8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d7916ad-fcb4-4323-8067-969fc90f6848/lumevunaj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5f6c5a39-2951-4279-b54b-a10b640c0d59/magatidesafezapitotig.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8a23ab32-ea89-4b33-8201-31878ab5a5e0/vefuxos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3aabfd88-034d-4a7b-8f58-c931b604d440/wurewule.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/df3f35e5-2037-495a-8dd7-f859306f6161/98769457538.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/92cf655c-6069-4b1e-b32b-bcdb6b7ddcf8/97116104610.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_off0000bbe8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBBE8 4980 bytes
SHA-256: 35ddcd0445748e41276cc698d87e8cc216a088adfc69b46150a0e3b038f46364
font_01_sfnt_off0000ccd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCD5 11224 bytes
SHA-256: 409bd3030313ad09b7c12ae79f8468e95be96bee4378dddeec2f6f591fc9352d

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