Malicious PDF — malware analysis report

Static analysis result for SHA-256 478017aa5ee2a0dd…

MALICIOUS

PDF

87.0 KB Created: 2020-11-13 01:08:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 1475d47095a28b1fb8579ed8516b3ee4 SHA-1: 0595a4d5a87693fe560e36b70373e13c14b608a1 SHA-256: 478017aa5ee2a0ddc4a767fe113b9c9a6e8daa3dbfdea18aeebbae0e01d3e4da
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://trafffi.ru/123?utm_term=choi+hong+man+vs+akebono PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4379626/normal_5f99b98525e9c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365545/normal_5f96f7d5a3386.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/e420a406-2392-4655-80bf-006b12f77d09/guwojovodurewuj.pdfIn PDF document text
    • https://s3.amazonaws.com/bededuxotulapil/retebikumiso.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5461fdbe-a849-4be4-8335-9bff0eaa9c86/81313506123.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4651eebd-dde7-4f20-a607-1a7d7dac7bdb/honda_black_max_mower_wont_start.pdfIn PDF document text
    • https://s3.amazonaws.com/vuraradaso/latex_beamer_no.pdfIn PDF document text
    • https://s3.amazonaws.com/jupevuxirapi/fesiwuvi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/19ebc31f-f556-4334-afbb-f529b2c16e2a/apush_summer_assignment_2017_answer_key.pdfIn PDF document text
    • https://s3.amazonaws.com/kabisebax/wufuxusuzuromuxarafebume.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000f03c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xF03C 7344 bytes
SHA-256: 935d6833aa907d93f4fb6452594d87e6d19c74f4e22e8106f140b45253957e4d
font_01_sfnt_off00010923.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10923 4964 bytes
SHA-256: 6d9f134fb3aa063d91a625dab8b683565dba368fbdaf7fcb59a58050b48d2e99
font_02_sfnt_off000119d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x119D6 11592 bytes
SHA-256: a68ea922258058838437c280c6a89d4f7858fb258c8c6005bb95080018fa8af3
font_03_sfnt_off000140f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x140F1 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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