Malicious PDF — malware analysis report

Static analysis result for SHA-256 4cd7a8cda2a496a4…

MALICIOUS

PDF

180.0 KB Created: 2022-04-23 12:37:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-15
MD5: fed50f10cccc23bfa0b25c0842b068f2 SHA-1: 5a9b3e3cba2574ffa4b91b182794a5a1805ef31a SHA-256: 4cd7a8cda2a496a47b42f48f9c7d929e6521087e11726a26b172f61dc9d2d171
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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
  • Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
    Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
  • 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://fecuq.co.za/YmrXLWy8?keyword=magna%20carta%20written%20in%20modern%20english PDF link annotation
    • https://fuzizozole.weebly.com/uploads/1/3/4/6/134630054/4876861.pdfIn PDF document text
    • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/0c04799010f883cf97db7a78b9a251dc/79279096759.pdfIn PDF document text
    • http://kirilmazbardak.com/userfiles/file/26476576430.pdfIn PDF document text
    • http://beslenkofte.com/panel/upload/files/jemopetebesuk.pdfIn PDF document text
    • https://bobitakakafaze.weebly.com/uploads/1/3/5/2/135297082/zekiwiwudavub.pdfIn PDF document text
    • https://stmarys-perthamboy.com/upload/File/xugegidunarivi.pdfIn PDF document text
    • http://www.ferm-matic.fr/upload/file/rujabukumegowus.pdfIn PDF document text
    • https://trouver-une-ssii.com/img/pics/files/movulomalovaxaw.pdfIn PDF document text
    • http://jinistudy.com/_UploadFile/Images/file/88941013797.pdfIn PDF document text
    • http://smsalumni1971.com/apadmin/uploads/userfiles/files/63797118344.pdfIn PDF document text
    • http://kdeplus.cz/files/kcupload/files/zijojalexaweb.pdfIn PDF document text
    • https://filinisosiwox.weebly.com/uploads/1/3/0/8/130814007/8639920.pdfIn PDF document text
    • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1621bc889445ae---mokiwudowiv.pdfIn PDF document text
    • http://gsest.com.sa/ckeditor/kcfinder/upload/files/35190195725.pdfIn PDF document text
    • https://jopixedojowagi.weebly.com/uploads/1/3/4/8/134852439/3660091.pdfIn PDF document text
    • https://punuvenow.weebly.com/uploads/1/3/4/4/134445800/dusarap.pdfIn PDF document text
    • http://www.anpamedical.com/kcfinder/upload/files/wuwoxeweku.pdfIn PDF document text
    • http://webspace.mysdam.net/images/newsletter/files/bovomopopipibegixizuwafag.pdfIn PDF document text
    • https://mulolixebewiw.weebly.com/uploads/1/3/1/3/131383386/8bc88.pdfIn PDF document text
    • http://llux.vn/uploads/files/mitizafexo.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 extracted file (font_00_sfnt_off00025fa9.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00025fa9.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00025fa9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25FA9 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000277c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x277C0 10896 bytes
SHA-256: 5fda3416ab4a52a5a03d8dc77f6f56f58b3037eed51b4eb7d887765df54e2465
font_02_sfnt_off000290a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x290A1 18700 bytes
SHA-256: 8a47f785b892bd144669c8fc5435fc58d576d1a82491e4bb80a9a236e77b2882