Malicious PDF — malware analysis report

Static analysis result for SHA-256 af9ed190c84e298f…

MALICIOUS

PDF

48.6 KB Created: 2020-08-04 23:08:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b998600ea49304349119050cb2405610 SHA-1: 2e0a673d9e6d5df2401a281583b401e2b1c276bc SHA-256: af9ed190c84e298fa70c5b5b15d9402d93e30f9f2ff61f07e22d525dbd93adb0
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector infrastructure at 'ttraff.cc'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=ignatius+catholic+study+bible+pdf+download', suggesting a lure to download a Bible PDF which likely leads to further malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=ignatius+catholic+study+bible+pdf+download In PDF document text
    • http://files.parkhillbowlingclub.com/uploads/1/3/2/8/132815154/4047543.pdfIn PDF document text
    • http://files.gordongreggphotography.com/uploads/1/3/1/4/131437106/jofon_mubodudagowo.pdfIn PDF document text
    • http://files.cwym-music.com/uploads/1/3/1/3/131380063/5b803a7.pdfIn PDF document text
    • http://files.friendsofelycemetery.co.uk/uploads/1/3/1/4/131453934/xewulabomuwat.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/1/0431/8858/4605/files/61735634540.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9117/3278/files/4094675318.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9902/1717/files/fapolazup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6057/5912/files/1800223776.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7292/9435/files/35797259703.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/27360052690.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1958/4166/files/33741838472.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6332/6358/files/rubudojupazulipijovokov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7156/1116/files/52171857830.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7573/1616/files/nuwaworugugebukufox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8022/9791/files/67047943485.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5539/0630/files/47044527213.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9182/0695/files/26529281968.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_off00007ea3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EA3 5592 bytes
SHA-256: 41144b68cbf2d74d59e33f09c2969484a283e6f5b65313279fa4fcd52cf9be33
font_01_sfnt_off000091be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x91BE 10412 bytes
SHA-256: 22986026f1b411cce52d05b5cb1ce63d5da4fd16c9b328ed372aaeb849329123

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