Malicious PDF — malware analysis report

Static analysis result for SHA-256 0eb5b5490cddba06…

MALICIOUS

PDF

35.9 KB Created: 2020-08-16 20:23:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3ff682e030cf8e834a9fc0801bc0b9b5 SHA-1: f1a82f78f157b0683188358112774dceac83b6d6 SHA-256: 0eb5b5490cddba06cdf75f6750d07ea82ded981fab14692f2c4b07f203929566
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service, suggesting a link farm or phishing campaign. The primary redirector URL is `https://ttraff.cc/pify?keyword=toronto+star+tv+guide+listings`, which is likely used to obscure the final malicious destination. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs supports a phishing or malicious redirection attack pattern.

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.cc/pify?keyword=toronto+star+tv+guide+listings In PDF document text
    • http://sasixij.suttas.com/uploads/1/3/1/8/131871674/nejuzuralasud.pdfIn PDF document text
    • http://files.butterflyposturalchair.com/uploads/1/3/1/1/131164176/ladev.pdfIn PDF document text
    • http://wubew.susmanosextendidasmexico.com/uploads/1/3/1/0/131070374/puferotufifu.pdfIn PDF document text
    • http://files.anviltraining.co.uk/uploads/1/3/1/4/131438563/b447d67f1580.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/1/0431/3343/6066/files/tobozarajutomugijamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8339/9321/files/bapadoligurijazorigijin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2437/6227/files/3908364414.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2099/9064/files/41737468610.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5650/5756/files/today_and_tomorrow_henry_ford.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3747/2421/files/41027283387.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7152/8344/files/best_video_caller_id_app_for_android.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7503/4520/files/coleman_ac_unit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3341/9166/files/shadowrun_hong_kong_cheats.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0110/9920/files/vukama.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mipin.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 7

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_off00004ee6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4EE6 5000 bytes
SHA-256: 59ea0842010ecfe8e9bd7540ed401430d52471a8403db9392ad768daed935b1c
font_01_sfnt_off00005ff9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FF9 10212 bytes
SHA-256: af2d5418ca737197ea7c10df94a8833b1523286c8518b3087eb633591f88a594

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