Malicious PDF — malware analysis report

Static analysis result for SHA-256 552e56d531b9643f…

MALICIOUS

PDF

38.8 KB Created: 2020-10-04 12:57:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-19
MD5: 621c92b1a498d083d8f4522b9723ee99 SHA-1: b38bd0712dd0313e9c5592ddf123dd102c7dc589 SHA-256: 552e56d531b9643f41bf9643f7e3d7a71e9237158b285a30d0d08b636c5de508
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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=hammacher+schlemmer+projection+clock+manual In PDF document text
    • http://files.sandpiperonsmithslake.com/uploads/1/3/0/8/130814397/e7c34f063f.pdfIn PDF document text
    • http://files.livingskiesfibrestudio.com/uploads/1/3/1/0/131070791/pidegovojazuvelax.pdfIn PDF document text
    • http://kewotuxe.stcolumbahawaii.org/uploads/1/3/1/4/131482826/7049281.pdfIn PDF document text
    • http://files.artisticstonedesign.com/uploads/1/3/2/6/132681488/bipositawex_firinibove.pdfIn PDF document text
    • http://files.ehsgolf.net/uploads/1/3/0/8/130814062/nafewiledotolaporo.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000584b.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000584b.bin)
    • https://cdn.shopify.com/s/files/1/0484/9493/6226/files/konnan_wcw_catchphrase.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0691/0887/files/gamma_world_4th_edition_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d3ab5e9-845a-4cf1-b316-bba3ec05f885/17767881894.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/40f18448-8518-4e9a-af27-9af09146da1f/81204591969.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/29051c7b-3ed1-430f-9501-688c899db782/31386628742.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3c8753e7-cec4-41e5-99a8-32e9c31348e4/wigeme.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3311bd84-cda3-419b-a3bf-a86bda0a5ddf/91466665557.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0493/8851/9586/files/5169601230.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 extracted file (font_00_sfnt_off0000584b.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000584b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x584B 5276 bytes
SHA-256: be89e9a9be37a9906a5cb29af27b0f52746dde70c8ba57546ed5468cbc8da2ef
font_01_sfnt_off00006a0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A0C 11164 bytes
SHA-256: adca8b66fda79e5d056a9a1fac3bfa34488607c54c3313535e04f6034f7fc87b