Malicious PDF — malware analysis report

Static analysis result for SHA-256 13e7e6d34e22edad…

MALICIOUS

PDF

39.7 KB Created: 2020-08-15 08:30:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: aae96662c40e8d8011a7d593637ee507 SHA-1: 9642ee6ddba2ca3bf9af524ffab1b33031876969 SHA-256: 13e7e6d34e22edadd18bf9d161d1f349a9cb9abb3c880c53d65a703689597be5
194 Risk Score

Malware Insights

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

This PDF document contains numerous links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, includes a URL that appears to be a lure for downloading a PDF related to "adjectives and adverbs". The primary malicious link, https://ttraff.cc/pify?keyword=adjectives+and+adverbs+list+with+meaning+pdf, is designed to redirect users to potentially harmful content. The ML classifier strongly indicated maliciousness.

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.cc/pify?keyword=adjectives+and+adverbs+list+with+meaning+pdf In PDF document text
    • http://files.dylankerrigan.com/uploads/1/3/0/7/130738620/masiral.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/1/0431/2724/2906/files/23375865919.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4896/7061/files/mechanics_of_machines_cleghorn.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7496/8997/files/24226078300.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9313/1425/files/mezuwamexipasozerapore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2610/2947/files/29138068384.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7352/7203/files/tumereseluk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8096/4510/files/57664758082.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/3810/0891/files/brotherhood_of_war_full_movie.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6529/3462/files/88175955164.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_off00005bd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BD3 5924 bytes
SHA-256: 2ac4e574becd39d65c43e3ce3927ded00af4c32cae367833f1ce646bd88a3e1e
font_01_sfnt_off00006fe9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FE9 10140 bytes
SHA-256: 238e9f4dc0d0f6120683a7a031003e04e7373585fdef0d5ecfe27307df7a0c75

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