Malicious PDF — malware analysis report

Static analysis result for SHA-256 b4a2a6d2b3661fdd…

MALICIOUS

PDF

42.7 KB Created: 2020-08-01 15:25:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 215925a4cb084ffdaa1e8e4a8fa9ed0c SHA-1: 34d0494b3ec97a566dbf49427228915ab0bbca85 SHA-256: b4a2a6d2b3661fdd803d1ba07f2047d97b09bcacb4fb5abd5114d3589b1cbc5d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a mass external link farm, with many links pointing to Shopify domains and one specific redirector URL, 'https://ttraff.cc/pify?keyword=case+information+statement+nj'. This indicates a likely phishing or malware distribution attempt, leveraging a lure related to 'case information statement'. The ML classifier strongly supports the malicious nature of this PDF.

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=case+information+statement+nj In PDF document text
    • http://files.harrisendofthetrailranch.com/uploads/1/3/1/4/131453260/titinubutox_danigoluteruf.pdfIn PDF document text
    • http://files.opendoorautismproject.com/uploads/1/3/1/4/131437926/5f9cb6fbdd.pdfIn PDF document text
    • http://files.matchboxltd.com/uploads/1/3/0/9/130968981/letorafuxalis.pdfIn PDF document text
    • http://files.dragonflyfloralschool.com/uploads/1/3/0/7/130739621/tatopot.pdfIn PDF document text
    • http://files.saikmusic.org/uploads/1/3/1/6/131637054/7686714.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/1/0431/0794/2549/files/zajiviwesupil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6392/7206/files/dupasadexakut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3550/0439/files/27587503899.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3191/2857/files/laraxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0100/2664/files/jidojim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7160/9761/files/kitobasanorufikemetakuku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7405/9424/files/2598698107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0328/1571/files/mosuritet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7913659608.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5272/0543/files/vudifilosobezimoxudedisax.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_off00006bb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BB8 4860 bytes
SHA-256: 13bc801397afd13e76938994306bc9b199b14e93e51fa50a66ed53890dfe62a9
font_01_sfnt_off00007c24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C24 9984 bytes
SHA-256: 2b6dc81f23dc00358d4aa4f66ebb50d94782c2ac0caf2c516210013f5ab83909

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