Malicious PDF — malware analysis report

Static analysis result for SHA-256 18a74721975c59aa…

MALICIOUS

PDF

76.0 KB Created: 2022-04-06 12:59:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-09
MD5: d3a0ee0734fb5592827d3b14201e4e2f SHA-1: 6ef662edfd8d6f3e9502ce62aee09329f4bb319f SHA-256: 18a74721975c59aa5694aba206d490d4cf67e6508272f5e89e0db1845b5b3ba7
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://chineseclothingonline.com/File/37519290758.pdf In PDF document text
    • http://shceping.com/upFile/photos/2022-2/file/kudelarovigi.pdfIn PDF document text
    • http://ranjoysarkar.in/FCKeditor/file/82992269716.pdfIn PDF document text
    • http://kimsanghun.com/upload/userfiles/file/20223121351206246.pdfIn PDF document text
    • https://bacninhonline.com/webroot/img/files/87442867112.pdfIn PDF document text
    • https://xosovixa.weebly.com/uploads/1/3/4/3/134318585/pilizasogitikow.pdfIn PDF document text
    • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622a5b6ec2e01---19087493975.pdfIn PDF document text
    • http://globomax.eu/userfiles/file/25982939502.pdfIn PDF document text
    • https://kexoxuneve.weebly.com/uploads/1/3/4/5/134501441/7082572.pdfIn PDF document text
    • http://worldtrip.total-flame.com/application/views/blog/userfiles/file/14324722423.pdfIn PDF document text
    • https://jung.su/kcfinder/upload/files/bekomidexuwarifepivar.pdfIn PDF document text
    • https://tranduongauto.com/app/webroot/files/images/pages/files/ranisoni.pdfIn PDF document text
    • http://melody-house.ru/kcfinder/upload/files/91709430752.pdfIn PDF document text
    • https://krygina40.ru/UserFiles/File/sisafog.pdfIn PDF document text
    • https://nudadisaxoge.weebly.com/uploads/1/3/4/0/134018155/9722738.pdfIn PDF document text
    • https://czus-lukasa.sk/userfiles/file/juxevemotiwumuxenagaxeji.pdfIn PDF document text
    • https://sunrise-photon.com/upfiles/editor/files/86739474499.pdfIn PDF document text
    • https://samirkumarpaul.com/ckfinder/userfiles/files/funigugixesejuguni.pdfIn PDF document text
    • https://guvolobojifo.weebly.com/uploads/1/3/4/7/134733869/rukanefajavatut.pdfIn PDF document text
    • https://solidpractise.com/files/userfiles/file/45122747618.pdfIn PDF document text
    • https://west-holding.com/userfiles/file/wagedosizuluron.pdfIn PDF document text
    • https://xn--pssa17sw71b.tw/upimages/files/14925558887.pdfIn PDF document text
    • https://podar.co.za/YmrXLWy8?keyword=cuisinart%20keurig%20clean%20light%20wonPDF 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 extracted file (font_00_sfnt_off0000c4ea.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c4ea.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c4ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC4EA 16572 bytes
SHA-256: 1d38434ab5930308eca2d8382f90d83a4241db5dbbe826eb235a7bec8c2a3968
font_01_sfnt_off0000efe8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFE8 10960 bytes
SHA-256: 55b2d2111ffe51bdf1f9e70759ebbfcbbfcbc7a25bae237519d9785ee4040d04
font_02_sfnt_off00010976.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10976 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1