Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a5e17062660aa38…

MALICIOUS

PDF

32.2 KB Created: 2020-08-13 01:44:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 23651f62a18e89fce676fad9221f205b SHA-1: bc1e59df1610476dc3fd1d240d5b7fadce8e8edd SHA-256: 6a5e17062660aa38c907324dc98707d13acbbfcdf2bb2c4d530df5ab030dc255
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to redirector infrastructure like 'ttraff.ru', which is flagged as malicious. The document body, though obfuscated, includes URLs that appear to be part of a link farm designed to attract traffic. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves luring users to malicious sites via deceptive links.

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=vyper%202.0%20manual In PDF document text
    • http://tigim.rebeccadarlene.com/uploads/1/3/1/3/131383407/ruvuz.pdfIn PDF document text
    • http://fiwuv.campranchoframasa.org/uploads/1/3/1/1/131164239/kejiromugadakav-xudalaga-bikil-jufawuzazorumo.pdfIn PDF document text
    • http://files.southcarolinamarijuanalaw.com/uploads/1/3/1/4/131453136/derulidesonexowos.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/1/0428/3337/9487/files/saifurs_analogy_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3708/2271/files/jelly_gta_5.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1714/1415/files/s125_on_w2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9058/3458/files/dapavifa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/6002/3711/files/stripe_test_card_numbers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6377/9221/files/deraverekemiloxepetikipe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5982/2243/files/sotifufex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0045/3541/files/dasogakaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8466/1414/files/fallout_new_vegas_mod_pack.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6052/7253/files/apicultura_en_ecuador.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9946/2558/files/nitelipetamusidowulutolas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6142/7876/files/kiveguwuvewewidotukukokax.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 2

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_off000042a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x42A3 5160 bytes
SHA-256: fa0c14fd6caa856778801acedc7e6605d62c25bc1ac50616eca2edf1e512a592
font_01_sfnt_off00005424.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5424 9416 bytes
SHA-256: cc6bc0122184a27c7f599c0bde4f9e108aa12f3815d8e1ead972f0a3e50353f4

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