Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e4f1e532c70b4e…

MALICIOUS

PDF

39.1 KB Created: 2020-10-03 05:42:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 57f2ee0b9616417b59d616e867750744 SHA-1: b93cc3f301700c383774c16730c8dd4d0b67648a SHA-256: d3e4f1e532c70b4ea9f278d2eb59ea39b7746e3fc35d5fd9ef40ebc3c43f3ba8
194 Risk Score

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://gettraff.ru/strik?keyword=programme+musculation+prise+de+masse In PDF document text
    • http://xeremani.nextgenerationjr.com/uploads/1/3/1/1/131163667/1221750.pdfIn PDF document text
    • http://jalunin.jacksfurnitureplans.com/uploads/1/3/1/3/131398425/cb8265aded59d5.pdfIn PDF document text
    • http://files.domhawthornmusic.com/uploads/1/3/2/8/132814348/5584620.pdfIn PDF document text
    • https://site-1037138.mozfiles.com/files/1037138/negavizewivisun.pdfIn PDF document text
    • https://site-1037266.mozfiles.com/files/1037266/norakixok.pdfIn PDF document text
    • https://site-1037096.mozfiles.com/files/1037096/46012111311.pdfIn PDF document text
    • https://site-1037273.mozfiles.com/files/1037273/mamite.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/1/0430/9726/0192/files/atomic_structure_practice_worksheet_answer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0479/6563/4716/files/wepafewotofogatuvupuruvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3548/3551/files/wenol_metal_polishing_cream.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5551/2738/files/70892127326.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2475/0491/files/vakufetupanede.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4266/8698/files/63472156063.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4670/7104/files/tamen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0478/9803/4342/files/lanefulo.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005ba0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BA0 5392 bytes
SHA-256: 591b59b46135228c21ba330e52802cb3499f4fe51e7e35bc8b0a5236b6d12d42
font_01_sfnt_off00006de4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DE4 10108 bytes
SHA-256: 21c83aa0d1434cc9581c04957bf11e3409d8aa4b08a145224b156f19b2fcecfb

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