Malicious PDF — malware analysis report

Static analysis result for SHA-256 00554be3080e51ac…

MALICIOUS

PDF

38.2 KB Created: 2020-08-04 21:31:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d5cdafb4824eaf28280874ecd768d138 SHA-1: 8dcd7da07dca14c0005356b97070884c7a7f3743 SHA-256: 00554be3080e51ac47e3b39443f97173bfed94ab2782b309a60d9a7d8198848f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, many pointing to a redirector service (ttraff.com) that is flagged as malicious. The document body text, though obfuscated, includes the URL 'https://ttraff.com/pify?keyword=the+arbitration+act+1996+a+commentary+pdf', suggesting a lure for users seeking a legal document. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to attract traffic, likely for phishing or malware distribution.

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=the+arbitration+act+1996+a+commentary+pdf In PDF document text
    • http://files.stjuliansgranada.com/uploads/1/3/1/6/131606454/xumusojobijax-nemokesubikaz-nuborib-sajuberopiku.pdfIn PDF document text
    • http://zufeburuv.newzealandreds.com/uploads/1/3/2/6/132681670/51be15436fb.pdfIn PDF document text
    • http://files.paulandtashamassage.com/uploads/1/3/0/8/130873718/4285627.pdfIn PDF document text
    • http://files.keithlienert.com/uploads/1/3/1/4/131484029/rivipofisuf.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/1/0435/3448/3616/files/lesatilaniwupulanuxebe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/5561128363.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5613/6341/files/50409513474.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1903/2987/files/73553151808.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4158/5314/files/simmons_crib_parts.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4093/1991/files/patoburemisuviwabozo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8951/1071/files/kolesonevaxulupatomoxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7084/7131/files/zalimexinilini.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8205/4813/files/fadujubipopekexipifuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7409/2196/files/37157307452.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7958/2374/files/802987776.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8305/2696/files/tixemanabare.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 5

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_off00005644.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5644 5736 bytes
SHA-256: 401fb11ccdbb7ffb543f190df6f7b68890e3f4f8a4b9d02d0e88e855a4841856
font_01_sfnt_off000069a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69A6 10024 bytes
SHA-256: 7a2b802956c10b68fccaedcf6480fba46846d203115df876d96641bd814226c9

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