Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5df96e1cc66a7e2…

MALICIOUS

PDF

98.4 KB Created: 2021-09-19 19:17:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 57830dcbef7d4deaf9bf97e9b503dc7b SHA-1: e6fc38086a03706d6a59e986eacfbf45419a06f1 SHA-256: c5df96e1cc66a7e252fd41d733dbae2da461d8b4107943d3402910b137047b7b
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9800

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 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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 http://kyochonbuenapark.iorderfoods.com/uploads/files/47255716764.pdf In PDF document text
    • https://kindeeyudee.com/ck_files/files/98571981335.pdfIn PDF document text
    • https://questyme.com/userfiles/file/18702886234.pdfIn PDF document text
    • http://an-ocn.ru/ckfinder/userfiles/files/wufosisu.pdfIn PDF document text
    • https://gsm.company/ckfinder/userfiles/files/11522077032.pdfIn PDF document text
    • http://namkhoabacninh.com/images/files/6387623813.pdfIn PDF document text
    • http://rebeccafantarchitetto.it/userfiles/files/voviwetafegupalesu.pdfIn PDF document text
    • http://dajuicebarus.com/uploads/files/kobesinanugobukituwo.pdfIn PDF document text
    • https://iuoshili.com/upload/users/files/nexunugefidigubutul.pdfIn PDF document text
    • http://er-trans.com/img/produkty/files/tumobadabamizazefenizitel.pdfIn PDF document text
    • https://tecnomatec.cl/upload/file/detubowuratogewerotabelem.pdfIn PDF document text
    • http://dansungsala.com/uploads/files/sanakuvizepidozuxopokuwib.pdfIn PDF document text
    • https://maria-galland.ru/files/file/84862696508.pdfIn PDF document text
    • https://kalashad.com/userfiles/file/73270729205.pdfIn PDF document text
    • http://pincailight.com/zk/UploadFile/file/2021090405195673499.pdfIn PDF document text
    • http://hanlacsclub.com/ckupload/files/70664305432.pdfIn PDF document text
    • http://inggeo.eu/userfiles/files/rifebozugibosenomakimega.pdfIn PDF document text
    • https://guanlai.tw/uploads/files/202109131925282074.pdfIn PDF document text
    • http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/42583942434.pdfIn PDF document text
    • http://saluteebenesseresas.it/userfiles/files/18636037098.pdfIn PDF document text
    • https://aeternoplanning.com/ckfinder/userfiles/files/44097637482.pdfIn PDF document text
    • https://shopinhome.com/ci/userfiles/files/lavako.pdfIn PDF document text
    • https://casasholidays.com/scgtest/team-explore/uploads/files/tisekelobil.pdfIn PDF document text
    • http://nandishoverseas.com/UserFiles/File/22961067614.pdfIn PDF document text
    • https://at1apigroup3.com/contents/files/55555273615.pdfIn PDF document text
    • http://indyskischool.com/ckfinder/userfiles/files/27712736530.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=android+studio+send+file+to+emulatorPDF 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_off00011c98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C98 18044 bytes
SHA-256: 397afba80733ccadfd6b8f6bb68ceadc3ef772ea8fd68615c870917a11e8a840
font_01_sfnt_off00014be1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14BE1 10596 bytes
SHA-256: 1cfc72f9096ed49d7ea59de1f9d3ae7b75f4abe157b2ccf833e2b3b745c66e9c
font_02_sfnt_off00016421.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16421 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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