Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a7cc509d9e6df2a…

MALICIOUS

PDF

171.6 KB Created: 2020-08-10 11:14:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 85f551c827931eb49bc5b788c6dd4730 SHA-1: ca73764f172ba2c7ad50b79c80ee76b1e28ce7c8 SHA-256: 9a7cc509d9e6df2a28c2e252dcb2d1135239c9a0ba12217ca42ff9a3881d88af
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link, which points to a URL that promises a Warhammer 40k codex PDF. This URL is part of an advance-fee scam lure, indicating the document's purpose is to trick users into visiting malicious sites. The embedded URL is the primary IOC.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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=warhammer+40k+8th+edition+deathwatch+codex+pdf In PDF document text
    • http://files.changeboutique.com/uploads/1/3/0/7/130775145/joporuraletubakokopi.pdfIn PDF document text
    • http://files.mytokyoguide.com/uploads/1/3/1/4/131406344/lewawotebesirufa.pdfIn PDF document text
    • http://files.futurespresent.com/uploads/1/3/2/7/132710780/7871764.pdfIn PDF document text
    • http://bebupog.homeinspectoralbuquerque.com/uploads/1/3/0/8/130813528/3b6ced10.pdfIn PDF document text
    • http://files.warwickwatch.com/uploads/1/3/1/3/131398374/satevatejovum-vagodirezogos-kifabutewawog-tokatuwafo.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/1/0431/2177/0656/files/74165166027.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4166/8772/files/lisego.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7238/8249/files/52420430485.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6027/4087/files/jigubofixezil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5346/6271/files/jibufodilojit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4781/3269/files/badasaxebizezar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98629167596.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4382/3517/files/66111955682.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1335/7214/files/davuvuwonovenenudi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4229/0336/files/winrar_windows_10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8570/1025/files/jovuteru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7850/6909/files/19105242461.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4525/6344/files/wedusodarasewodujapi.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 5

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_off000260ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x260ED 5848 bytes
SHA-256: f4a9b436b88cc1ba221ff354db7935d839b21179a4dc9dea2eba142796d83aa5
font_01_sfnt_off000274d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x274D2 13752 bytes
SHA-256: a21aae91887fb00b93311e9c6a42019bb096cd311be92e84941155bd038ec8af

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