Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0daac0b27421095…

MALICIOUS

PDF

80.8 KB Created: 2021-09-09 19:16:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-16
MD5: 2f4aacb22a2ccbb1838151bf5200b412 SHA-1: ee0015a9ec90bf38ae226d985c6c7390ffaa5e55 SHA-256: b0daac0b27421095af9689ca1d839d0dd1ca229173b6f10d6b79145f45e56d9f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9833

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 http://mirutte.com/newsfiles/files/89478071583.pdf In PDF document text
    • http://poney-club-romilly-aigre28.fr/userfiles/file/fifoximerurevag.pdfIn PDF document text
    • http://cuacuonanbinh.com/userfiles/file/takuluvegilanezavon.pdfIn PDF document text
    • http://prunay-en-yvelines.fr/ckfinder/userfiles/files/63310316134.pdfIn PDF document text
    • http://oldadmin.k12cart.com/media/files/wigeged.pdfIn PDF document text
    • http://shijijiaming.net/filespath/files/20210902115603.pdfIn PDF document text
    • http://www.klimavill.com/data/editorfile/18075994492.pdfIn PDF document text
    • http://web-news.eu/www/pkpar/userfiles/file/7260578820.pdfIn PDF document text
    • https://dragonexpressml.com/userfiles/files/42767272220.pdfIn PDF document text
    • http://hawaiisushi.iorderfoods.com/uploads/files/lojotorasinukazupuwazu.pdfIn PDF document text
    • http://neodermclinic.com/file_media/file_image/file/wozebumagaranevode.pdfIn PDF document text
    • http://divapharma.com/uploaded/file/fuxalewisipepozegaka.pdfIn PDF document text
    • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613417ce65a39---35876100154.pdfIn PDF document text
    • http://digitalpolicycouncil.org/imagenes/file/bagugesosugu.pdfIn PDF document text
    • http://biomax.shop/filespath/files/20210902083204.pdfIn PDF document text
    • https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/8960786800.pdfIn PDF document text
    • https://aprenda-atdi.com/uploads/files/norupila.pdfIn PDF document text
    • https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/karibepesu.pdfIn PDF document text
    • http://duet-czluchow.pl/userfiles/file/71488785745.pdfIn PDF document text
    • https://commonwealthsportsawards.com/userfiles/file/30645130790.pdfIn PDF document text
    • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16138492f3788b---ziluborixo.pdfIn PDF document text
    • https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/59480841743.pdfIn PDF document text
    • https://888nv.ru/userfiles/file/fixakonetovelotifoxejiler.pdfIn PDF document text
    • http://poney-club-romilly-aigre28.fr/userfiles/file/81477125417.pdfIn PDF document text
    • http://profstil.az/userfiles/file/gusenabukubupijojapob.pdfIn PDF document text
    • http://phutungquanghieu.com/app/webroot/files/ckfinder/files/sirit.pdfIn PDF document text
    • http://lemonsport.hu/upload/file/jilovilizo.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=erotic+novel+read+online+freePDF 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_off0000d96e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD96E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f180.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF180 17348 bytes
SHA-256: e5e90ba1b69632e65d961f64cd055e8c74390b02376a0447fac749b63e0c4342
font_02_sfnt_off00011e2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E2E 10348 bytes
SHA-256: 8b03ab75f8e7ff82542b26614b596cfdbfe666ec6cb27f44dd40208a592e20e0

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