Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e900f88b7a6197…

MALICIOUS

PDF

115.1 KB Created: 2021-02-17 21:21:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: a9b4ef3f724be905528d0b8770df440d SHA-1: 90740fc928426d79cabde5ca9d80dae7a5e1df67 SHA-256: d3e900f88b7a61972303be0e612e99e537017cc135e400de048173a4e315dd01
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://jacksth.ru/wb?keyword=the%20magic%20flute%20librettist PDF link annotation
    • https://cdn.sqhk.co/lutugivaje/jdCajbl/gewano.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382618/normal_6026cdbfe6953.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448347/normal_5fd381318d585.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425728/normal_5fe56f5e34d33.pdfIn PDF document text
    • https://cdn.sqhk.co/komagiju/hYgjqih/slicer_software_for_ender_3.pdfIn PDF document text
    • https://cdn.sqhk.co/tamaladafa/jfDggz1/70874515307.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407991/normal_6027a0d7debdb.pdfIn PDF document text
    • http://bujinolemisizam.iblogger.org/wesokadebeleranaz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368242/normal_6002d0e6ce805.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nevurewajarip.epizy.com/kejuxoduralomanetubazubed.pdfIn PDF document text
    • http://mugevewobota.rf.gd/guxepilidogotupamipa.pdfIn PDF document text
    • https://s3.amazonaws.com/punagilelabon/soroboxan.pdfIn PDF document text
    • https://s3.amazonaws.com/vekodupiwarobi/x7r_ceramic_capacitor_datasheet.pdfIn PDF document text
    • https://s3.amazonaws.com/dagasopones/68975352720.pdfIn PDF document text
    • https://s3.amazonaws.com/gavexilatuvitaz/nudim.pdfIn PDF document text
    • https://s3.amazonaws.com/kavalukato/19168995024.pdfIn PDF document text
    • https://s3.amazonaws.com/mamibis/ridujelugiv.pdfIn PDF document text
    • https://s3.amazonaws.com/vuforewebub/resignation_acceptance_relieving_letter_format.pdfIn PDF document text
    • https://s3.amazonaws.com/bulujono/55946193752.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00014f7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14F7C 6408 bytes
SHA-256: 956a1ccdd45c3f642927873aec49ed400eb4f03e1a1d21d5a586c6f88d6788ea
font_01_sfnt_off00015f1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15F1B 2948 bytes
SHA-256: a827dd9282368be51964487fd9b701b43eafae4fd9131bd3819bb2195bfb191e
font_02_sfnt_off0001699f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1699F 5384 bytes
SHA-256: de1c44ad7904634fe2871a0b2848e848562a245d57c33b0c10c78cd5130656d5
font_03_sfnt_off00017bca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17BCA 16564 bytes
SHA-256: 7b04410d33ff8902b0bf26a6623080773f533cf9c27d8f546d203eb0b45838fa
font_04_sfnt_off0001ad8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1AD8D 6084 bytes
SHA-256: 5c86a376815d6f0efe6cbb93564a647c509e09040777fb1c2d4e15ff73d7b350

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