Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b7f7ee07f795db4…

MALICIOUS

PDF

41.7 KB Created: 2020-08-01 20:47:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2ffc39c00439e485bef8bee13c153b30 SHA-1: 25052698388d47e4e0cc387f94d96be18b46e0c2 SHA-256: 6b7f7ee07f795db46c00176830c34123b2041bc8b40d9c3e382bb6e49d48d424
194 Risk Score

Malware Insights

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

This PDF document contains a mass of external links, many pointing to a redirector service known for malicious activity. The document body text, though obfuscated, includes a URL that is also flagged as a malicious redirector. The presence of numerous PDF links suggests an attempt to create a link farm or phish users by disguising malicious links as legitimate downloads.

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=tornado+generator+rimworld In PDF document text
    • http://files.osteo4bodytalk.com/uploads/1/3/1/3/131384101/kejik_bomiletedodame_fifogamibavo.pdfIn PDF document text
    • http://files.mcmjanitorial.com/uploads/1/3/1/4/131406356/5b2cce2e6e7ba.pdfIn PDF document text
    • http://files.nanonore.com/uploads/1/3/1/4/131436978/4e9e0e4edc6276.pdfIn PDF document text
    • http://files.cupcake-couture.net/uploads/1/3/2/6/132683070/nakizudidefusilojis.pdfIn PDF document text
    • http://files.winscombevillagebakery.co.uk/uploads/1/3/1/3/131382217/9326890.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/1/0428/1165/4307/files/mafesuzaxobetadirapuwusa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7945/1295/files/sopomezozolan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8733/0464/files/81808958321.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7546/0517/files/47810983778.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/2142314682.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8794/6133/files/gufivese.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6622/8898/files/29592142976.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2857/8467/files/xofusutolajitopamowix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7753/3856/files/fibunibovil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8922/3066/files/71521674290.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1655/2605/files/xusolemilagikefamexul.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006550.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6550 5008 bytes
SHA-256: d11e324e0caa780aed6a07d4f6d45cad9fc66954673924955eea609098144751
font_01_sfnt_off0000764f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x764F 10444 bytes
SHA-256: c045d35332e823c598b9659dc1cbf586c6807041fe145aa1450cc57e642a82dd

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