Malicious PDF — malware analysis report

Static analysis result for SHA-256 b04c82f0fa9da332…

MALICIOUS

PDF

44.0 KB Created: 2020-08-15 06:23:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a80e15d77f83f1ef0d9bcd35a9343079 SHA-1: eb5ed24e251daa7878d9535a4889ee7300991f4f SHA-256: b04c82f0fa9da332ae6342ef0a293264bb5a50fb13ebc8c269c98d6e0acb78b9
194 Risk Score

Malware Insights

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

The PDF file contains a link farm and a specific malicious redirector URL, 'https://ttraff.cc/pify?keyword=az+alkmaar+stadium+guide', disguised within the document body as a stadium guide. This indicates a social engineering attempt to redirect the user to malicious infrastructure. The ML classifier also strongly flagged this PDF as malicious.

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=az+alkmaar+stadium+guide In PDF document text
    • http://files.facethecolour.com/uploads/1/3/1/1/131164125/626ccabe.pdfIn PDF document text
    • http://files.katherineking2001.com/uploads/1/3/2/3/132303314/deff4978a90d1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6192/7318/files/dajubanimiwabimuretozus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7286/3904/files/63428519714.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2058/2050/files/11474008047.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9635/6504/files/10597041966.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6221/4304/files/defaxemudesawinixasi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0246/9285/files/vutomavewewisinitosoga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3711/1973/files/jolopovuteri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4832/1692/files/nujulokugebogomivebajikib.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E9D 5248 bytes
SHA-256: 0ce5a9937764e81bf50152030ebd8f73373dad2d140e6ac6e4a7cdbcfd4c1a85
font_01_sfnt_off00007061.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7061 10496 bytes
SHA-256: 9228e9f1e00670ddd5b3126892b765785c92b6e04d5a1c901cbba002eb414b47
font_02_sfnt_off00009446.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9446 4056 bytes
SHA-256: d9fbcc704e3eb66e155f488c39a6efd40639a1223666a78f6d5a24de2da22c5e

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