Malicious PDF — malware analysis report

Static analysis result for SHA-256 c75596600efb67f6…

MALICIOUS

PDF

43.0 KB Created: 2020-08-23 13:01:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ad2e333d3bc0c3a4f8f358cb290b8b40 SHA-1: 7ac7d8581d1b0ccebfc952176f9851483519c910 SHA-256: c75596600efb67f6b7569507e71f7291ddf649c02a6bf3e3d4467a270275312a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm designed to appear as search results, with the primary malicious link pointing to 'https://ttraff.ru/pify?keyword=add+footer+to+worksheet+in+excel+2013'. This URL is identified as a known malicious redirector. The document body, though heavily obfuscated, contains similar text, reinforcing the lure. The presence of numerous links to Shopify-hosted PDFs suggests an attempt to blend in with legitimate content while directing users to malicious infrastructure.

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=add+footer+to+worksheet+in+excel+2013 In PDF document text
    • http://towejuzu.dallasadpi.org/uploads/1/3/0/7/130775386/ruwubew.pdfIn PDF document text
    • http://files.shahnawazalam.com/uploads/1/3/1/8/131871720/lejugimemesuzed.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/1/0433/0687/7080/files/nowivozepax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sozolomunegodufedawugiwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7955/5486/files/keguwiri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7176/6677/files/97021589051.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3665/5259/files/85512538052.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4205/4048/files/vasone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/4166/8502/files/jukazokenolaxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7327/4018/files/download_asmaul_husna_latin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1465/8980/files/catan_cities_knights_rules.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gifowugebivagobawogun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2586/6662/files/povemepovorononu.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 1

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_off00006a9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A9E 5604 bytes
SHA-256: cf99b7c3cdbeccb1ddd3631d673393ab277a1226fb4b6c9baa6717ab814410f5
font_01_sfnt_off00007dc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DC8 9808 bytes
SHA-256: d32b8f4fad27ffa31b79ccd08e8db2889df86554a30b6d6e135f625f98fe1640

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