Malicious PDF — malware analysis report

Static analysis result for SHA-256 782f29bff583738f…

MALICIOUS

PDF

38.9 KB Created: 2020-08-24 07:57:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5ba88817ad236b5695f381eac8aa841d SHA-1: fe5d51c250afdb321c22db48e8c029a6f437484a SHA-256: 782f29bff583738fd1e7b59f36e3c83aee4a3058ca0f26f0033be1b06af0b773
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to a redirector service that is flagged as malicious. The document body, though heavily obfuscated, includes text suggesting a lure related to legal agreements, and the presence of a malicious redirector indicates an attempt to lead the user to a harmful site. The ML classifier also strongly indicated maliciousness.

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=child+custody+agreement+without+court+template+ontario In PDF document text
    • http://files.theevillageapothecary.com/uploads/1/3/0/8/130874050/6193403.pdfIn PDF document text
    • http://files.yackamoorundielandcaregroup.com/uploads/1/3/1/3/131382141/5ddec8f96.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/1/0439/0515/5224/files/kedejexifafipepudupije.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7015/2088/files/78322714417.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5843/8056/files/the_lexical_syllabus_a_new_approach_to_language_teaching.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0002/1667/files/xixugorurusudejeza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8408/6424/files/acr_neo_3f_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1060/5735/files/lccap_guidebook_4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4448/7836/files/binivoramew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1021/2518/files/lafod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4992/7327/files/xizavebi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9461/3924/files/prisma_guidelines.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_off00005cde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CDE 5584 bytes
SHA-256: f2eb4fdf483df728c2c6b8fa4a6a237b578ebc1cf793556ea7c8f66b9e68b3cc
font_01_sfnt_off00006fc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FC8 9044 bytes
SHA-256: 77e38f448410b51044c29545213fa44099157236cf305b80384e72befb53cc7e

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