Malicious PDF — malware analysis report

Static analysis result for SHA-256 8258792b311663e0…

MALICIOUS

PDF

46.9 KB Created: 2020-08-10 23:41:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f2616b75444eef401930ada543d4c4be SHA-1: be5da85c6fded20e897cb34accbe9c6606fcea49 SHA-256: 8258792b311663e0ff0fa974c0776150f91540f5a9c9033a83d8035273a40fbd
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of a link farm designed for SEO manipulation. A critical heuristic identified a link to a known malicious redirector, ttraff.com, which is used to lure victims with promises of free content like manga PDFs. The ML classifier strongly indicated maliciousness, supporting the conclusion that this document is part of a phishing or scam campaign.

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://ttraff.com/pify?keyword=naruto+shippuden+manga+pdf+mega In PDF document text
    • http://files.stbartswednesbury.com/uploads/1/3/1/3/131379329/sutujefozasid.pdfIn PDF document text
    • http://sodoxena.winchesterkycofc.org/uploads/1/3/1/0/131070450/fuvafukazarejovu.pdfIn PDF document text
    • http://files.kellysargeant.com/uploads/1/3/1/4/131453574/2a462e86fd73.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/1/0433/6753/0657/files/rorudokabine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1927/9259/files/90057092439.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3927/6707/files/wii_iso_torrents.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0128/2711/files/verajuvudosoxozajarotupod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5744/6038/files/46351173627.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6640/0663/files/81479084349.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9238/5700/files/bobujemokep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6050/9337/files/68009873432.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5193/3078/files/ralufasiwuzuromawir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1945/2072/files/huge_size_5e.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7205/9547/files/1699148995.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6562/0118/files/zadomot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0134/0319/files/71268835882.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1985/2187/files/dual_wield_minecraft.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1024/3230/files/64885581873.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

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000709b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x709B 5392 bytes
SHA-256: 81cb069d5465b5cd9826fd78af360b5e45e3859ae57879b68388e14fc5c21f73
font_01_sfnt_off000082cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82CB 13976 bytes
SHA-256: 7c53b86a6e781bb22af8ecd2530f222ef7d873e5669ef9068205dbeff81432c1

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