Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c06a0c22aaf207d…

MALICIOUS

PDF

57.7 KB Created: 2020-08-17 10:44:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0bf72b0d91989f69915fccb4f5e672f9 SHA-1: b1a220e692990602734a24e4bee73c4ff9ebb823 SHA-256: 6c06a0c22aaf207d7e1b207ac07dbfc1f458e834865fab07a1ce402460cdd8e8
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'Bleacher report 2012 nfl draft grades' and the malicious URL, suggesting a lure. The presence of numerous external PDF links, many pointing to Shopify, indicates a link farm designed to obscure the true malicious destination.

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.com/pify?keyword=bleacher+report+2012+nfl+draft+grades In PDF document text
    • http://files.drfelixroom26.com/uploads/1/3/1/4/131453543/minubu.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/1/0435/6872/6171/files/kulakakigudebixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9599/9129/files/quadratic_equation_exercises_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3687/6695/files/byzantine_church_architecture.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3727/5813/files/8579454736.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/9101/3275/files/kalnirnay_calendar_september_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5199/7592/files/turibuxuzijigapinewak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8144/9118/files/75732970681.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9950/5311/files/47858401847.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20424522606.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1553/6793/files/rinewo.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 4

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_off0000a232.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA232 5792 bytes
SHA-256: d9282c6c89371de659ab9abfc84c3e55b9e8484d7b51a0507512f0d2eca1a268
font_01_sfnt_off0000b5e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB5E9 11272 bytes
SHA-256: 5f627b4967e8955c7db50bf8c6b06ce1dbbb6c1cd75ce540d260e57bc67d8fc2

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