Malicious PDF — malware analysis report

Static analysis result for SHA-256 75ca91c157b61fcf…

MALICIOUS

PDF

81.1 KB Created: 2020-08-22 04:31:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 553ba8f08a405922c627bd1b06872dbe SHA-1: 7d5c4920120e5ebc18587205bdb5028b76d6c683 SHA-256: 75ca91c157b61fcfa9896bcc67416ee48d4c85143dd0795e8ee95aa3dea2db18
194 Risk Score

Malware Insights

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

The PDF contains numerous links designed to appear as a movie download, but they redirect to malicious infrastructure. The primary redirector URL is https://ttraff.ru/pify?keyword=expendables+2+movie++in+tamil, which is flagged as malicious. The document body, though heavily obfuscated, contains references to the movie title and the redirector URL, reinforcing the lure.

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=expendables+2+movie++in+tamil In PDF document text
    • http://lawixafo.ikhlastours.co.nz/uploads/1/3/2/3/132303093/9422080.pdfIn PDF document text
    • http://files.animasriverdays.com/uploads/1/3/1/1/131163872/5788861.pdfIn PDF document text
    • http://files.mesivtafootball.com/uploads/1/3/1/1/131163613/7297191.pdfIn PDF document text
    • http://files.caralarmandradio.com/uploads/1/3/2/8/132814977/8ca24203b89382.pdfIn PDF document text
    • http://vetom.missspic.com/uploads/1/3/1/8/131856725/zuxez.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/1/0432/8249/7701/files/16479736856.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2821/0073/files/google_sheets_query_function.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0862/9659/files/vofoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/2601/6424/files/tanivaxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4335/6821/files/95846032189.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2735/8115/files/gift_certificate_template_nz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/7868/3541/files/deductive_reasoning_puzzles.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7102/0957/files/59274467944.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0691/0876/files/windows_7_generic_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5298/9605/files/35175676528.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0199/3622/files/85594158137.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2477/6354/files/62175380777.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7289/6678/files/xosavadewafeli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4251/2802/files/93001837065.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 8

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_off0000febc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEBC 5368 bytes
SHA-256: 30f68753ab3c445c8c07128d6ff329df66f0a272e5374048ef925ba99d214c15
font_01_sfnt_off000110f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x110F0 11680 bytes
SHA-256: af226e098e79275c6929db9e418bc5f7fad5dffe0d966eb0e4cf7c7b0fbf03f3

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