Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8d0248867787dd…

MALICIOUS

PDF

41.4 KB Created: 2020-11-03 05:02:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: 731ebd48f580654df3c706b24a9072bf SHA-1: 07fa1bbccb607816afc7dbc8b3b775f869eb088a SHA-256: 5d8d0248867787dde7fcec04b8562cc0d485e4aba037da25df9d38c0edc7346a
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://cctraff.ru/wb?keyword=flame%20azalea%20facts In PDF document text
    • https://cdn-cms.f-static.net/uploads/4369769/normal_5f88924f88686.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366007/normal_5fa09dad5a043.pdfIn PDF document text
    • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/filavesunigin.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367911/normal_5f92751c7a871.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/626ccd06-aee5-47c5-9875-0d751484de90/jenupibexan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e743ab34-cae4-4395-8893-26b94b639f74/artemis_young_justice_voice_actor.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5ae0843c-4500-4961-bedf-d27eb069c072/manual_practico_de_inyecciones_slideshare.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/6468/8292/files/5550317841.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1cd649e9-93a9-4ce4-8f9a-609ff5fa82f6/21166061880.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f2f1daae-0ee6-4328-a30e-a2e49fe0e5f1/rawused.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1150/5302/files/50929812242.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7351d5bd-e0c9-4f29-8863-61b07ea3bb09/juvujuzofepemewe.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000056db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56DB 4460 bytes
SHA-256: dc4882a64b34dd0c6edc603728ebb152e689202fdf747b948c96438a3d68d71d
font_01_sfnt_off00006610.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6610 11176 bytes
SHA-256: d0cfde7022185f29c1714f3f58e1ed6e857d4b674a9b9c09e0af42b72796c275
font_02_sfnt_off00008b4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B4C 4324 bytes
SHA-256: 8405bb6ca9a6fb718a2e910e1cdde4d74ac2122cab0061dc5f772322db9c7ccd

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