Malicious PDF — malware analysis report

Static analysis result for SHA-256 059fb1614829cdcd…

MALICIOUS

PDF

37.3 KB Created: 2020-08-10 10:45:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e5fa850f57b5c2a82338b584b5ebc22b SHA-1: 7aed681a561bc797de8f6f14bf56dd9a8be37a58 SHA-256: 059fb1614829cdcd2fbf68b35c67fe259dd718e434f31c691439a7e882fabe12
194 Risk Score

Malware Insights

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

This PDF document contains numerous links, many of which point to a redirector infrastructure designed for SEO spam and phishing. The primary redirector URL is https://ttraff.ru/pify?keyword=oxford+discover+3+teacher+s+book+pdf, which likely serves as a lure for users seeking educational materials. The document's structure and the presence of many benign-looking Shopify links suggest an attempt to disguise malicious activity within a large collection of files, aiming to trick users into downloading potentially harmful content.

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=oxford+discover+3+teacher+s+book+pdf In PDF document text
    • http://files.garimaahuja.com/uploads/1/3/1/6/131636651/d42dbb6.pdfIn PDF document text
    • http://files.rune-path.com/uploads/1/3/2/6/132695813/nasevisoxezokez.pdfIn PDF document text
    • http://files.wentworthfallsgardenclub.com/uploads/1/3/0/7/130738553/627d7.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/1/0429/0733/6867/files/viryual_girl_hd.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37144816260.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zonamanasalusowalu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3027/3448/files/71521563153.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7400/1825/files/42472611406.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8494/7357/files/nukeba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3269/9292/files/77269712068.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4605/1744/files/97671510357.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5833/7694/files/adobe_after_effects_cs4_tutorials_for_beginners.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 6

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_off00005024.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5024 5732 bytes
SHA-256: bd61317e13b1ee6254a376c33652cda498f40fd1d41c308f5ab1a547d71fa24d
font_01_sfnt_off000063a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63A4 10700 bytes
SHA-256: 71c14d7713251b5b447bb9e5a2f2e1ceb3ad1ab5b4aed8bb99230e2b8a8fae42

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