Malicious PDF — malware analysis report

Static analysis result for SHA-256 195abdc826df7d6a…

MALICIOUS

PDF

45.8 KB Created: 2020-08-14 17:44:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7a9d839eafac8b00b24be510ce56ffbd SHA-1: 19aec05c6ec4a4823014b60d3854ba9b0e4344d2 SHA-256: 195abdc826df7d6a1f4a329070058d7f869b8758ffe02f7cb2d3ddf5be427e06
162 Risk Score

Malware Insights

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

This PDF document contains numerous embedded links, many of which point to a link farm hosted on Shopify. One prominent link, disguised as a resource for "background music for games", redirects through `ttraff.cc`, a known malicious redirector. The ML classifier strongly flagged this PDF as malicious, and the presence of a malicious redirector indicates an attempt to lead the user to harmful content, likely for phishing or malware distribution.

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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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=background+music++for+games In PDF document text
    • http://files.smartspraytan.com/uploads/1/3/0/7/130776141/180198.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/1/0427/4785/5004/files/xojekujekazob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5353/0782/files/47579053393.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6856/3351/files/jodanobevuvoxiredixiwov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9448/1821/files/34408264068.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4448/7836/files/aadhaar_download_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8797/0975/files/notorious_2009_cast.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3042/9346/files/disable_nvidia_ansel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2728/9496/files/61737176663.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3258/2056/files/tawipegej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4355/2416/files/mujufifo.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006bef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BEF 5420 bytes
SHA-256: c2d7a2ab8030d1f174078d758ecaf10fefdff37b8ab2f3cbb43d4e1314635ed8
font_01_sfnt_off00007e43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E43 1800 bytes
SHA-256: daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e
font_02_sfnt_off000086d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86D1 10496 bytes
SHA-256: aefa8bbc323f452df3a181d1595f8ce9a93117affd0bad5f9405a8ea18386cf5

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