Malicious PDF — malware analysis report

Static analysis result for SHA-256 70ef02e734cecef2…

MALICIOUS

PDF

62.5 KB Created: 2020-08-12 08:27:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f81167ad8ecb4e17dc81d8872a44d5c7 SHA-1: c2bf3ea35db5f7cb7511cf865acecfdffbb3b1f8 SHA-256: 70ef02e734cecef2856176fc3a309141eeb53a9d75ced95add0d7d1c2bfd7a58
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating it is a malicious redirector, specifically designed to lure users to external sites through a link farm. The primary malicious URL identified is ttraff.ru, which is used in conjunction with keywords suggesting a free download lure. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest an attempt to redirect users to potentially malicious 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/wb?keyword=cultura%20mochica%20ceramica%20pdf In PDF document text
    • http://files.carolinedancewest.com/uploads/1/3/0/7/130776308/510891.pdfIn PDF document text
    • http://tamevugev.nea-salina.org/uploads/1/3/2/6/132683056/rawadofuruje.pdfIn PDF document text
    • http://files.marcellamassa.com/uploads/1/3/0/8/130873791/8682566.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/1/0429/9046/9283/files/33907346694.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6878/2757/files/75650250398.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0964/5478/files/boolean_algebra_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8374/9781/files/ripunovotida.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1666/7815/files/75253138638.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1648/7065/files/swiftui_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4054/6714/files/self_certification.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8949/4177/files/pivenegim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2625/9876/files/binewoxovenoxaginogebo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5272/8474/files/alternity_core_rulebook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3448/4648/files/sosovijo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0007/0307/files/change_domain_name_wordpress.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9579/1518/files/effects_of_youth_unemployment.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_off0000b66a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB66A 5124 bytes
SHA-256: 3ff5a9ab5777b5d3e9ccb15d181486804724a966e7e26ccd9dbddb79ddc6a033
font_01_sfnt_off0000c7af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7AF 10836 bytes
SHA-256: ca2021f7577e99ed009bd27abe9a7321b990e82168cd6e167208162081da5c36

Open this report in the interactive analyzer, or submit your own file for analysis.