Malicious PDF — malware analysis report

Static analysis result for SHA-256 237b2648ce5aed4a…

MALICIOUS

PDF

49.2 KB Created: 2020-08-09 03:26:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d265f16459f678f6a53a630d64a6e9b0 SHA-1: 414e2946bc7e76b90f4d621a669a228010f46bb0 SHA-256: 237b2648ce5aed4ad6c0c4741d04cdb6a94316c4f5cae6785897f95e92cf1289
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, many of which are hosted on what appears to be link farm infrastructure. The primary redirector URL, https://ttraff.ru/pify?keyword=psychological+well+being+definition+pdf, is flagged as malicious. This suggests the document is designed to redirect users to potentially harmful content, likely for phishing or malware distribution. No scripts were extracted, but the presence of multiple embedded URLs and the malicious redirector strongly indicate a malicious intent.

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=psychological+well+being+definition+pdf In PDF document text
    • http://jivaro.sasquatchthrows.com/uploads/1/3/2/6/132681579/3865145.pdfIn PDF document text
    • http://files.chrisball-student.com/uploads/1/3/1/3/131383802/vemite.pdfIn PDF document text
    • http://kowaluge.endtoenduserresearch.com/uploads/1/3/0/9/130969060/3057246.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/1/0432/3459/0882/files/git_clear_cache.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2210/4222/files/33696744064.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4314/4355/files/nuzov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/8504/2598/files/couper_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66916333827.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9322/1783/files/44806888164.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4774/6716/files/jugogunidomagodolewa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pigirerunozekolufis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2975/6066/files/80007852401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9477/8791/files/17431057710.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4502/7993/files/80568860291.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6797/4556/files/4463623185.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3477/1610/files/tinkers_construct_auto_smelt.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 1

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_off00007fdb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FDB 5656 bytes
SHA-256: 9377e89302305841417f3dbee274f74eb7a7136711b2883cba6ade32bd916054
font_01_sfnt_off00009330.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9330 11212 bytes
SHA-256: 95801547bc864ba311b136b7e0af5432d59f326fb6459981f3ff22a9c1e250bd

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