Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d093c06be72583e…

MALICIOUS

PDF

68.4 KB Created: 2021-09-14 11:50:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-26
MD5: c7134bb6c6d818f019f363c677a54a16 SHA-1: eafbfd7745b5fdc63aa9daf2a6c669cdc644babb SHA-256: 0d093c06be72583eb982bae46f0001fb9e8ade0c72b8b90600dcf20c29b8ec04
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

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://www.studiorosaliabusco.it/ckfinder/userfiles/files/limotenikoroxujojerawid.pdf In PDF document text
    • http://nacyc.jp/Upload/file/semuxobosugeragi.pdfIn PDF document text
    • http://orderleesushi.com/uploads/files/6453693824.pdfIn PDF document text
    • https://exihomes.com/userfiles/files/fafobunevuzuwezesu.pdfIn PDF document text
    • https://sunridgecorp.com/uploads/files/202109020306355173.pdfIn PDF document text
    • http://thomasgearon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lubomisevek.pdfIn PDF document text
    • http://sharon-barron.com/userfiles/files/56395382813.pdfIn PDF document text
    • https://ipekyolumedya.com/resim_galeri/file/80935715402.pdfIn PDF document text
    • http://myredm.ru/uploads/file/298585211.pdfIn PDF document text
    • https://darkoyunpin.com/calisma2/files/uploads/67391942732.pdfIn PDF document text
    • https://carrieres-pierre.com/userfiles/file/78238340732.pdfIn PDF document text
    • https://falconshipping-uae.com/userfiles/files/lerimugelenofoto.pdfIn PDF document text
    • https://saigonservices.vn/images/uploads/files/xolulifikemez.pdfIn PDF document text
    • http://verypool.cn/images/upload/File/86383464452.pdfIn PDF document text
    • https://bonekarusa.com/contents/files/dixokub.pdfIn PDF document text
    • https://nexapos.com/upload/files/5876250344.pdfIn PDF document text
    • https://xn--pssa17sw71b.tw/upimages/files/rirevubimigazadibuwot.pdfIn PDF document text
    • https://milosislandrooms.gr/userfiles/file/24859944848.pdfIn PDF document text
    • https://www.dooleysnaturalgas.com/ckfinder/userfiles/files/81939911912.pdfIn PDF document text
    • http://tauroconsulting.pl/userfiles/file/vurorisol.pdfIn PDF document text
    • https://branchennachweis.eu/userfiles/file/8916242257.pdfIn PDF document text
    • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/161357eb6460ba---sujok.pdfIn PDF document text
    • http://www.binghan.my/userfiles/file/midewujukadagizilopi.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=digimon+psp+isoPDF 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_off0000b0c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB0C9 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000c8db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC8DB 14888 bytes
SHA-256: cb0d2076bd8ebe7bdf5bc28d81b0182aa85f72ef84b3c63770b685ce4b601bd5
font_02_sfnt_off0000ee44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE44 10060 bytes
SHA-256: 582ba0cfb2b2a2ca6434efbe3f0348a03b3f8833e2ae88e63dac910d8e9d4fe5

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