Malicious PDF — malware analysis report

Static analysis result for SHA-256 77454262d7de0a36…

MALICIOUS

PDF

48.8 KB Created: 2020-08-22 01:18:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6ba1814524280e7ab421287bc224e01e SHA-1: 54c37cc7660ed468e9516508a795cf302c00b58d SHA-256: 77454262d7de0a36ca2b9ead6421774646147b8a929921be8f9c1cc08d065149
194 Risk Score

Malware Insights

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

The PDF contains embedded links and a document body that references 'Deferred tax payable balance sheet', suggesting a lure. A critical heuristic identified links to known malicious redirector infrastructure, specifically pointing to 'https://ttraff.com/pify?keyword=deferred+tax+payable+balance+sheet'. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent. No scripts were extracted, but the presence of malicious redirector links is a strong indicator of a phishing or malware distribution attempt.

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=deferred+tax+payable+balance+sheet In PDF document text
    • http://files.chaosdragonboats.com/uploads/1/3/0/7/130739247/73a7d89a4eb250b.pdfIn PDF document text
    • http://files.malenyartscouncil.com/uploads/1/3/0/7/130776054/8734955.pdfIn PDF document text
    • http://vajebabal.bcpreventionnetwork.com/uploads/1/3/1/6/131637562/3e0e2eff2a93.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/1/0429/8375/1831/files/disovarenogise.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8857/6661/files/adobe_cc_cleaner_tool.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7504/2457/files/tugononodunesitowexo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2873/3352/files/project_planning_and_budgeting.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1405/4300/files/fibalelosefuxusoku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0740/9319/files/kibilekenisagirete.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9191/7989/files/curso_completo_de_apicultura_georges_de_layens.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6725/1617/files/the_way_we_were_barbra_streisand.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3522/1403/files/302_440_8210.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0456/8471/9775/files/janiwet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0979/4463/files/95268313340.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0185/6668/files/iso_14001_internal_audit_report_template.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 6

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_off000074c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74C6 5552 bytes
SHA-256: 63b66465902a11ea100a1a69206fbd9aa4e964edf42376dad9dd7117f0be6256
font_01_sfnt_off000087a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87A5 14800 bytes
SHA-256: c6a7b1b8ec150b8a6ea785828c854c9ab71b73f99e403eebe368ca4b85e2cfb4

Open this report in the interactive analyzer, or submit your own file for analysis.