Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4fe98453ce381c9…

MALICIOUS

PDF

96.8 KB Created: 2020-11-10 06:18:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-07-01
MD5: 9508d24f772ff5197331bbeddec20b8b SHA-1: c916470f817ae248516175e517025ae5d17176c5 SHA-256: a4fe98453ce381c907f2138552204e0736e0eae46b2773bd2677f4bdfa0438a5
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://trafftec.ru/123?keyword=hellboy+2019+123movies+youtube PDF link annotation
    • https://nikoxutaju.weebly.com/uploads/1/3/1/3/131378952/2503880.pdfIn PDF document text
    • https://xanugobolenaz.weebly.com/uploads/1/3/4/3/134371028/9387629.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366401/normal_5f954e86c788d.pdfIn PDF document text
    • https://nuzixusimupe.weebly.com/uploads/1/3/4/3/134306281/e241292600bcac.pdfIn PDF document text
    • https://bizetuxerupa.weebly.com/uploads/1/3/0/8/130873791/5293624.pdfIn PDF document text
    • https://doxeduzawixufak.weebly.com/uploads/1/3/4/3/134383044/9792166.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368762/normal_5f88c168ea523.pdfIn PDF document text
    • https://tumixivig.weebly.com/uploads/1/3/1/6/131636813/3168810.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380068/normal_5f9eb09233129.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449627/normal_5fa865cc4ee20.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469101/normal_5fa4d3a41a64f.pdfIn PDF document text
    • https://pumowurunumig.weebly.com/uploads/1/3/2/7/132740285/ad9d4.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00010fb1.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00010fb1.bin)
    • https://s3.amazonaws.com/dofufiri/xozerivomipikosibagebon.pdfIn PDF document text
    • https://s3.amazonaws.com/tugumeb/91329854852.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://dejavu.sourceforge.netIn extracted file (stream_005_off000149c6.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_005_off000149c6.bin)
    • https://savannah.gnu.org/projects/freefont/In extracted file (font_00_sfnt_off0000fffb.bin)
    • http://www.gnu.org/licenses/In extracted file (font_00_sfnt_off0000fffb.bin)
    • http://www.gnu.org/copyleft/gpl.htmlIn extracted file (font_00_sfnt_off0000fffb.bin)
    • http://scripts.sil.org/OFLIn extracted file (font_01_sfnt_off00010fb1.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off000149c6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x149C6 24832 bytes
SHA-256: 77a6b98e485f80c00ffe8754f952901f6cf5b28779ba0a79e54a4307a785fb79
font_00_sfnt_off0000fffb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFFB 6384 bytes
SHA-256: d84f0b41e921a5fbb59c6000c45deae92b494ed9e0760429eb35bde61d0b8459
font_01_sfnt_off00010fb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10FB1 5432 bytes
SHA-256: d67afa4e12330d4091055c1ccf7c3ee0ba1eac862fe3d81f986eb3f2a8029470
font_02_sfnt_off0001222e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1222E 11520 bytes
SHA-256: a5270d3d04fc7b555d17e6e3ee01ad06387f84b4e4c7af18ff9f5ba97e2b3f0b

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