Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5de03061e467463…

MALICIOUS

PDF

73.0 KB Created: 2022-04-24 08:08:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-27
MD5: fd5c0e4f2c1e7329a2d1ee825b95baee SHA-1: ad2369212103659eeb75db9ea51d11184c861805 SHA-256: c5de03061e4674630ca3b0d769e80a2c52afd6172e99ff8d03845bc304a91cfd
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://fecuq.co.za/YmrXLWy8?keyword=how%20many%20carbs%20are%20in%20dunkin%20donuts%20flavor%20swirls PDF link annotation
    • https://fojugifobuko.weebly.com/uploads/1/3/5/3/135328464/5512930.pdfIn PDF document text
    • https://wevinavuligi.weebly.com/uploads/1/3/4/5/134505150/pobevedovewipimizeva.pdfIn PDF document text
    • https://rimuloxizozo.weebly.com/uploads/1/3/4/5/134589703/465bfcdf9ed473d.pdfIn PDF document text
    • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/345b23a78f5b67cce55fbc91f703029a/nazasixujatijeviv.pdfIn PDF document text
    • https://semufukat.weebly.com/uploads/1/3/1/8/131857602/2724268.pdfIn PDF document text
    • http://permagnet.com/upload_files/file/220201140944155424dismm7.pdfIn PDF document text
    • https://ragumavul.weebly.com/uploads/1/3/1/4/131483371/revavojefubuvado.pdfIn PDF document text
    • https://kukibujez.weebly.com/uploads/1/3/1/6/131637652/3416073.pdfIn PDF document text
    • https://rujemadatidugu.weebly.com/uploads/1/3/4/7/134747735/269546.pdfIn PDF document text
    • https://pilogowizimofog.weebly.com/uploads/1/3/4/6/134604263/8118531.pdfIn PDF document text
    • https://xudutufatixoli.weebly.com/uploads/1/3/5/9/135957433/rugasag-retujegaj.pdfIn PDF document text
    • https://mibonujatupogu.weebly.com/uploads/1/3/5/2/135297119/325e442386.pdfIn PDF document text
    • https://nagagixibedixu.weebly.com/uploads/1/3/1/6/131606435/felategagivajoto.pdfIn PDF document text
    • https://vunojomilubokub.weebly.com/uploads/1/3/0/7/130775688/xopanaberub.pdfIn PDF document text
    • http://www.tamar.org.br/fotos_news/files/89456487763.pdfIn PDF document text
    • https://kpk.1c.ru/admin/rc/ckeditor/kcfinder/upload/files/mafetepuzimibesu.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 PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b25d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB25D 11228 bytes
SHA-256: 6bc9623668885f0998dbc5bf2fcd3491cbdb4fc0089e00287790e8a647bdc98e
font_01_sfnt_off0000ccba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCBA 18260 bytes
SHA-256: 49f06e49457547faa7719237afb50e22af754de2f5206d022f8dd3c68b0e62ef
font_02_sfnt_off0000fcc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCC0 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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