Malicious PDF — malware analysis report

Static analysis result for SHA-256 97abe0cd3c36078b…

MALICIOUS

PDF

49.2 KB Created: 2020-08-23 08:19:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 638842beff76460d65e494733c380f59 SHA-1: 1f6c0d5cca0bb6aa8c06b5011dfad47c31212060 SHA-256: 97abe0cd3c36078b117eb41cebf664f60fb3b4621b0a7b0c969c685663be8d95
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=free+brochure+templates'. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify, likely to improve SEO and disguise malicious intent. No scripts were extracted from this sample.

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=free+brochure+templates In PDF document text
    • http://files.thejackedhipster.com/uploads/1/3/1/3/131382470/ff35b4c.pdfIn PDF document text
    • http://xunas.helennewsomeart.com/uploads/1/3/0/8/130814328/7017304.pdfIn PDF document text
    • http://files.aidbihar.org/uploads/1/3/1/8/131856539/a61257c.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/1/0431/8517/6736/files/afro_cuban_grooves_for_bass_and_drums.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0484/6503/files/28139147867.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5008/1183/files/tambola_tickets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1264/4251/files/92778430245.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8100/6246/files/sales_skills.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4887/7736/files/articulaciones_de_la_rodilla.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4405/2885/files/smash_4_legal_stages.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4066/8838/files/38452575556.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9010/7815/files/chaos_druids_osrs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4917/2635/files/faniwiponiru.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 4

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_off000082b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82B6 5268 bytes
SHA-256: a46a49aa8d62a1e086d8e2b35f4d64dd419fcd6a1ce7173d61eb53793401297b
font_01_sfnt_off00009474.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9474 10544 bytes
SHA-256: d9fa9babf415a1454e478f457d75f42a9a7a810634cb95f33428e2ec1cb90d73

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