Malicious PDF — malware analysis report

Static analysis result for SHA-256 164514ffd36474a4…

MALICIOUS

PDF

41.0 KB Created: 2020-08-24 10:40:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 17c0f4bd22c104232b62c622d96c1214 SHA-1: 2a4bad641f591bf781b2da92d431ceec1fe6cbb8 SHA-256: 164514ffd36474a49935f05e1f395e7bd0a44cc4c2f73164dcfc490a0b3cf7a6
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating it's a malicious redirector and link farm, designed to lead users to potentially harmful content. The embedded URL 'https://ttraff.ru/pify?keyword=lease+contract+termination+template' is explicitly flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other links, suggesting a phishing or scam attempt.

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=lease+contract+termination+template In PDF document text
    • http://files.pipain.com/uploads/1/3/2/7/132740763/857198200bd6.pdfIn PDF document text
    • http://files.pamelagallagher.com/uploads/1/3/0/8/130813953/rateru.pdfIn PDF document text
    • http://files.shannonmcferrinfineartist.com/uploads/1/3/1/3/131382406/razudekatuvisugudona.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/1/0460/7085/7892/files/zukusoxazolebe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/3057/2190/files/alto_professional_ts215.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6861/1996/files/ruvovulakap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2940/5600/files/nufelibo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7460/0598/files/texodukikixejakuru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8437/2386/files/carolina_chocolate_drops_hit_em_up_style.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6049/3474/files/47561531170.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/9124/7511/files/the_ugly_duckling_illustrated_story.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/buforolexo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2525/3023/files/kaththi_sandai_full_movie_tamilyogi.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 6

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_off00006529.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6529 5020 bytes
SHA-256: adf12e31a375f08140ed2e99d17b2b0bc1ad13432f929a2e23d54cbd9061ed47
font_01_sfnt_off0000761b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x761B 9720 bytes
SHA-256: edee61e0b2cc8e81629eab8f16039941e1db81da22ab5a83a8ef2df04489cecf

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