Malicious PDF — malware analysis report

Static analysis result for SHA-256 724c60bc6092bb59…

MALICIOUS

PDF

41.2 KB Created: 2020-08-04 01:45:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6761e13687e3d11683d41c78e16cbf3e SHA-1: 6e9b6150adfa87ce7faee39e3fa5cf4fe01a9341 SHA-256: 724c60bc6092bb5930e7c9da348051d43ebb299d9437f7bcc6c74d23225460a5
194 Risk Score

Malware Insights

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

This PDF file contains a large number of embedded links, many of which point to a redirector service (ttraff.com) known for malicious activity. The document body, though obfuscated, contains a URL that is also present in the link farm, suggesting a coordinated effort to drive traffic to potentially malicious sites. The presence of numerous external PDF links further indicates a link farm strategy, likely for SEO manipulation or phishing lures.

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=pengertian+pluralisme+agama+pdf In PDF document text
    • http://files.stmarysalehurst.com/uploads/1/3/1/1/131164440/6124196.pdfIn PDF document text
    • http://files.eastonscoaches.co.uk/uploads/1/3/1/4/131483249/837486.pdfIn PDF document text
    • http://files.birminghamchiros.com/uploads/1/3/1/4/131452778/xagelejuteminibamu.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/1/0431/3609/0269/files/30639987053.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7962/2040/files/pawifelilujikil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6067/4198/files/3231155535.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3087/9136/files/26081528868.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1141/3915/files/60159328172.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9853/0201/files/20586056624.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9073/9361/files/tuvad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1724/8672/files/titaxaxefanonudome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2883/0625/files/bihar_road_map_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0971/2021/files/jajipurinubexi.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_off00006369.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6369 5360 bytes
SHA-256: 47d6f845973fe7e07ef4283559218eda33d44206ab66df7dc925c413cd85cf8d
font_01_sfnt_off00007591.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7591 10208 bytes
SHA-256: 4636a0c02166ad8d3782d63b2f18bca067f1aaa705e3dce2ed2929026295b426

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