Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2fd43019a670c8c…

MALICIOUS

PDF

76.5 KB Created: 2021-10-02 14:30:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 245c46c0a9b78e483fe7be2b3dde8e25 SHA-1: 41c2abaa4bdf99658710a434fbdd5985c179994e SHA-256: f2fd43019a670c8c09db6a77393fe2e32752f0f0a8fe1d5f32de4cfed3bc8672
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://queure.ru/uplcv?utm_term=a+field+is+in+the+shape+of+a+trapezium+whose+parallel+sides+are+35m+and+10+m PDF link annotation
    • http://yey.uw52.com/upload/files/33867042370.pdfIn PDF document text
    • http://laiyi-art.com/userfiles/file/83374128613.pdfIn PDF document text
    • http://xaydungphongphu.com/uploads/files/17043995525.pdfIn PDF document text
    • http://sriraghavendratemple.com/ckfinder/userfiles/files/likinagi.pdfIn PDF document text
    • http://leicesterbiketec.com/userfiles/file/tunatifovazajubikaxipofa.pdfIn PDF document text
    • http://cesurmakina.com/userfiles/file/wovanuzebalo.pdfIn PDF document text
    • https://yucekalipmakina.com/tsrm1/img/userfiles/file/44609308666.pdfIn PDF document text
    • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148927f37786---pugokogesurilowa.pdfIn PDF document text
    • https://kirbas.com/img/uploaded/file/pizijunoviwufej.pdfIn PDF document text
    • https://www.chablis-gautherin.com/ckfinder/userfiles/files/medejo.pdfIn PDF document text
    • https://mobilpetrol.olajpark.hu/files/files/pasufaridigabi.pdfIn PDF document text
    • http://ikra-ekb.ru/files/fckeditor/file/dewoxepedevitizulajimimi.pdfIn PDF document text
    • http://bloemenwinkelindex.nl/images/uploads/suxuwipewaf.pdfIn PDF document text
    • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16130a98dc6a54---larerunuva.pdfIn PDF document text
    • http://egyptlance.com/userfiles/file/zorexofe.pdfIn PDF document text
    • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1615436b78c6f5---vazutozurimevakeviki.pdfIn PDF document text
    • http://natpuedu.in/userfiles/file/tedere.pdfIn PDF document text
    • http://domusanna.it/userfiles/files/kaxagodiso.pdfIn PDF document text
    • https://trade.inter-ural.ru/ckfinder/userfiles/files/loluka.pdfIn PDF document text
    • http://dailycan.com/userfiles/files/72961142829.pdfIn PDF document text
    • https://sunridgecorp.com/uploads/files/202110020622581775.pdfIn PDF document text
    • http://spellenindex.nl/images/uploads/nabuxulik.pdfIn PDF document text
    • http://bidwoodmachine.com/d/files/68835018698.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 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_off0000bb2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB2A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d33c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD33C 19708 bytes
SHA-256: c5076b226a463b026139a78b168c48f0d8e5bacc6e095f8925531581c111e965
font_02_sfnt_off000106b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106B7 11472 bytes
SHA-256: 3b99b43ebb42b6525806a0f2bc7815bfae7914ff03bd77079963d8daac495ae3