Malicious PDF — malware analysis report

Static analysis result for SHA-256 487ae8cd13907ac7…

MALICIOUS

PDF

73.9 KB Created: 2022-03-29 22:26:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-22
MD5: 6e2000e947986f0d357b815791ed8182 SHA-1: a572bc9f6242ccae6a6d61fa25350f60400f9de6 SHA-256: 487ae8cd13907ac793147cbddb3ca297fb0db383868b199f6450e36f9909eb4a
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://wirut.co.za/YmrXLWy8?keyword=does%20insulation%20keep%20heat%20out PDF link annotation
    • https://equantumconsulting.com/files/files/mutozupu.pdfIn PDF document text
    • https://lulexabike.weebly.com/uploads/1/3/1/4/131407361/96217240011e6.pdfIn PDF document text
    • http://kd-council.com/upfile/files/ferunadixafuruk.pdfIn PDF document text
    • https://dezijetide.weebly.com/uploads/1/3/4/8/134864221/2051455.pdfIn PDF document text
    • https://nikotegonekis.weebly.com/uploads/1/3/4/6/134628666/ginagiverog.pdfIn PDF document text
    • http://cgemfoco.com.br/ckfinder/userfiles/files/54148077113.pdfIn PDF document text
    • https://putifetoz.weebly.com/uploads/1/3/7/5/137515519/8134257.pdfIn PDF document text
    • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/a66b48489587f9415eda22e8a04fdf6b/zexajuwuriwuzuxamazes.pdfIn PDF document text
    • https://faturigazed.weebly.com/uploads/1/3/4/8/134859690/5201871.pdfIn PDF document text
    • http://seidels-mineralienwelt.de/images/uploaded/file/91976665886.pdfIn PDF document text
    • http://angel-conference.org/upload_fck/file/2022-3-12/20220312212323931286.pdfIn PDF document text
    • https://towedesufab.weebly.com/uploads/1/3/5/3/135392656/zukolilolox_gulifewidixa_dujezogaved_pixedulem.pdfIn PDF document text
    • https://guwemegarorara.weebly.com/uploads/1/3/4/3/134353603/d50763605.pdfIn PDF document text
    • http://shceping.com/upFile/photos/2022-3/file/26896187556.pdfIn PDF document text
    • https://bowavimizise.weebly.com/uploads/1/3/1/0/131070713/dulinagapew.pdfIn PDF document text
    • https://mobilieroccasion.fr/uploads/file/buferinotefowowi.pdfIn PDF document text
    • https://ppic.net-line.pl/www/js/kcfinder/upload/files/87893162150.pdfIn PDF document text
    • https://luvunamuzem.weebly.com/uploads/1/3/0/8/130874488/lixanigigo.pdfIn PDF document text
    • https://dpengineerindia.com/admin/userfiles/file/gonarowimoxafutenidobu.pdfIn PDF document text
    • http://efuturesthai.com/uploads/files/14039510900.pdfIn PDF document text
    • https://rititebavoxufi.weebly.com/uploads/1/3/4/7/134705535/7dfe5.pdfIn PDF document text
    • https://vobikonim.weebly.com/uploads/1/3/5/3/135390296/delufinuni-wopan-jivurapufolaj.pdfIn PDF document text
    • https://simixoko.weebly.com/uploads/1/3/4/8/134867908/4308781.pdfIn PDF document text
    • https://adproissy.emailingmanager.com/uploads/editor/file/zenokewoli.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 (font_00_sfnt_off0000c098.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c098.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c098.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC098 10440 bytes
SHA-256: 9a8bd6b6035a2f409e4a7e1b129ecc63f68533e593a67886ea007de941b65ebc
font_01_sfnt_off0000d838.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD838 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0000eed7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEED7 16692 bytes
SHA-256: d72c794169336f62445e40d56d68f844422128af51a99a7fce63409e95e670a5