Malicious PDF — malware analysis report

Static analysis result for SHA-256 46ff97604450f010…

MALICIOUS

PDF

79.1 KB Created: 2021-09-20 20:02:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: b1db09543d73b39653617d39ea77ee9e SHA-1: 3e74bd687d9087c2745bbfa0adc5656439a8be59 SHA-256: 46ff97604450f010b6213c874cd4627e17fec2d20332ce124f8a715b95f83307
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9968

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://thanaclusterwestgate.leaddeehub.com/userfiles/files/77482776810.pdf In PDF document text
    • https://buddhaart.in/userfiles/file/96777421941.pdfIn PDF document text
    • http://njuhome.pl/ckfinder/userfiles/files/juvakerod.pdfIn PDF document text
    • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/b5d0ac1251781c1ebf340ff2843f46e5/66120264802.pdfIn PDF document text
    • http://lixupeng.com/uploads/files/55865111367.pdfIn PDF document text
    • https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/gufovevofuzuxesedo.pdfIn PDF document text
    • http://pphu-joanna.pl/fckpliki/file/86144822041.pdfIn PDF document text
    • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/8a8850e33171a06407b1d0d87ed4823d/24349183711.pdfIn PDF document text
    • https://nstyapi.com/resimler/files/68676020546.pdfIn PDF document text
    • http://www.valaisconsulting.ch/file/kefipipapijigije.pdfIn PDF document text
    • http://ccshecea.org/upload/files/waxiketalaxowuwi.pdfIn PDF document text
    • https://bocion.com/ckfinder/userfiles/files/sivaguxaj.pdfIn PDF document text
    • https://gesema.com/UserFiles/file/15196915451.pdfIn PDF document text
    • http://fqcycpa.com/jingkelun/userfiles/files/20210903115053.pdfIn PDF document text
    • http://luchetti.it/userfiles/files/menota.pdfIn PDF document text
    • http://proclima-membranes.ru/userfiles/file/8638679066.pdfIn PDF document text
    • https://mamadona.ru/ckfinder/userfiles/files/42336701023.pdfIn PDF document text
    • http://blueview.nl/app/webroot/files/userfiles/files/88692482154.pdfIn PDF document text
    • http://medical-1669.com/userfiles/files/39841322389.pdfIn PDF document text
    • http://matkinhantai.com/luutru/files/fokufimevofunemu.pdfIn PDF document text
    • http://orderleesushi.com/uploads/files/24156739323.pdfIn PDF document text
    • http://telegid.tv/userfiles/file/pubezo.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=porn+games+3d+apkPDF link annotation
    • 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_off0000d25c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD25C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000ea73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA73 10764 bytes
SHA-256: a1403832ed5bfc7137adef2f2f77761d4bc8c03b5a477b1990808017524c4afb
font_02_sfnt_off0001030a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1030A 17116 bytes
SHA-256: 86fa7dd123ee4e97d0edf791d14da36a3c1fdce4fb61d66965a05edfef9cdac1

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