Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a6db9cea49ba34a…

MALICIOUS

PDF

42.9 KB Created: 2020-08-20 06:00:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6eebd57d3ad7e7866fd49a9bbd52deca SHA-1: dc9e37a3cca7a1be7b186035f4113373b9bb989a SHA-256: 7a6db9cea49ba34ab6285a33b0fdc3a4cfaa1b31b35635ea67a561edd8f544a6
194 Risk Score

Malware Insights

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

This PDF document contains a link farm and a redirector designed to lure users into clicking on what appears to be a free download. The primary malicious URL identified is https://ttraff.ru/pify?keyword=best+rpg+games+online+for+android, which is part of a known malicious redirector infrastructure. The document's structure and embedded links suggest an attempt to exploit SEO tactics for phishing or malware distribution.

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.ru/pify?keyword=best+rpg+games+online+for+android In PDF document text
    • http://files.petersknifeshop.ch/uploads/1/3/1/8/131872017/kagitogif.pdfIn PDF document text
    • http://jefixon.oerv-rettungshunde.com/uploads/1/3/1/6/131606490/soputetedoxu.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/1/0437/0546/7035/files/40014200561.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6078/9409/files/raxomuxazezuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4321/6789/files/auscultation_of_the_respiratory_system.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2212/1122/files/43186584564.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2888/1313/files/consumer_report_top_10_used_cars.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2668/5858/files/68324524546.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4749/4567/files/52364078772.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6918/4931/files/hallelujah_pentatonix_satb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/4396/3299/files/game_tekken_tag_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4117/7248/files/39._94326_75._20062.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 5

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_off00006797.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6797 5408 bytes
SHA-256: b66baff7e5b8dcd058e8a14077c060b05eb6037d2019470b8faa37fe45c2b1f3
font_01_sfnt_off000079e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79E0 10836 bytes
SHA-256: bf1509662c34ef7eda2b6a81d35e1abf107eee47026c31abe857b3026fdb98a6

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