Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d8aa4375fee95d9…

MALICIOUS

PDF

41.5 KB Created: 2020-08-03 00:53:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5e4bb6a0f6e6bf31e7d5884d54070833 SHA-1: 7afa9da3c7c9096420c38b5c1e6c771aa4097a09 SHA-256: 4d8aa4375fee95d95cabe5d0c4bf3d80222e654bdb19bb7661734251887accc0
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic firing indicates a malicious redirector link, specifically 'https://ttraff.cc/pify?keyword=noel+jones+manual+for+preachers+pdf', suggesting an attempt to redirect users to malicious content. The document body, though heavily obfuscated, also contains this URL, reinforcing the lure. The presence of numerous links and the malicious redirector strongly indicate a social engineering attack aimed at content delivery.

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=noel+jones+manual+for+preachers+pdf In PDF document text
    • http://files.rootptandwellness.org/uploads/1/3/1/8/131856076/lesabafufazogeziz.pdfIn PDF document text
    • http://files.tinytouchoflove.org/uploads/1/3/1/6/131636954/rerinovuwazeno.pdfIn PDF document text
    • http://files.artfulflowe.com/uploads/1/3/0/9/130969489/zepiminipobizoxado.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/1/0428/9835/8432/files/tiwimuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8845/4559/files/vasigax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3056/1436/files/25074778232.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2977/3982/files/lesoredufokokozerelorez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0423/9770/files/zawotunonamedalenuzezigaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3041/2454/files/32020698786.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0754/1401/files/gebonegotavepafevela.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5152/4008/files/77518747867.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0062/6325/files/wuzezoxopasuro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4539/6384/files/pixuxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2264/6422/files/9584024122.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3708/2271/files/sepila.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4826/4089/files/47409384798.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1387/3569/files/xapox.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 3

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_off000061d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61D8 5440 bytes
SHA-256: 1a60d9acf60e3ddf4ab701c3aff35f8e26783027809db87803d034de57fc3fa7
font_01_sfnt_off00007430.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7430 10276 bytes
SHA-256: b67e4babf58c40023ab0528d0e0fc2e83dce886be51ea1852489e84313da7dc1

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