Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa119874e532a127…

MALICIOUS

PDF

42.8 KB Created: 2020-08-23 08:23:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a64ec684cdc885325fbaddf7f2411b41 SHA-1: 2c5e69d481d207f028fd27b95d49328bb4f140bc SHA-256: fa119874e532a127c5a7d236ae36f860ddcab8649179f0d3dfc44b9c93f9ed6a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, which points to a URL designed to lure users with a game-related keyword. The document body, though heavily obfuscated, also contains this URL and numerous other links, many hosted on Shopify, suggesting a link farm or redirection strategy. The primary malicious URL is ttraff.cc, which is used to redirect users to potentially harmful content.

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=impossible+quiz+3+question+8+answer In PDF document text
    • http://files.yogabyamandaretreats.co.nz/uploads/1/3/1/3/131379732/wukipema.pdfIn PDF document text
    • http://files.kgraykaliana.com/uploads/1/3/2/6/132695575/1ce896054f5e7e4.pdfIn PDF document text
    • http://files.nigellasativacenter.com/uploads/1/3/2/6/132696104/ca09d84a.pdfIn PDF document text
    • http://waxebik.papajoeshumblekitchen.com/uploads/1/3/1/1/131163599/busizumomodutulifa.pdfIn PDF document text
    • http://files.bemisnursery.com/uploads/1/3/1/3/131384136/989767dbb.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/1/0433/4203/7150/files/13487981715.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3842/3710/files/calendrier_2020_avec_numro_de_semaine__imprimer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1725/6605/files/bilanz_lesen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7552/6042/files/10807580537.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6300/0734/files/80895159859.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9241/8468/files/11905949425.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0327/3628/files/97384864443.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9798/0056/files/sql_server_format_phone_number.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4527/3248/files/best_accountant_cv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7175/7718/files/natisamom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/7721/0005/files/caballo_de_troya_3_jj_benitez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1610/0776/files/vertical_limit_movie_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9971/6770/files/15793409510.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9454/0452/files/javascript_byte_array_to_file.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000067e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67E6 5668 bytes
SHA-256: cbfacaaa17791b927396e64314baf3da13974862c0598810a3cbf09a4f980266
font_01_sfnt_off00007b2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B2B 10192 bytes
SHA-256: a7c812f07c297af2feb8c3d4dffb7ae932f85585d671726986b98eabc184adf5