Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2cf643fdb6d9b05…

MALICIOUS

PDF

193.2 KB Created: 2021-12-25 06:52:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-26
MD5: 963be32c04be6ca464e86b1671ac7c88 SHA-1: 90436ded847e3957a9d073348e9b1dabb55cea9b SHA-256: e2cf643fdb6d9b05340c60abc8ab54bdd2927b669f6e7e0365053cadeb30ccf7
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9557

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 http://stlukesfp.org/ckfinder/userfiles/files/38844356887.pdf In PDF document text
    • http://american-security-inc.com/assets/ckfinder/userfiles/files/63967965240.pdfIn PDF document text
    • https://fallsplat.se/bildbank/file/jokinigiga.pdfIn PDF document text
    • https://gescourrier.syscom-technology.com/images/file/28892442238.pdfIn PDF document text
    • http://geometrabottero.it/userfiles/files/62698560085.pdfIn PDF document text
    • http://inkjetartandimage.com/Uploads/file/20378223654.pdfIn PDF document text
    • http://thienanglass.vn/upload/files/94405312738.pdfIn PDF document text
    • http://9jamail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/gefepagobunabugubexiz.pdfIn PDF document text
    • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161710ae78caa5---mobuxiwadaxutafarefa.pdfIn PDF document text
    • https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/gogowitivowolizutapixi.pdfIn PDF document text
    • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/nvaim8ti85uf7kltq7djbq4pm6/tibasilexe.pdfIn PDF document text
    • https://avistravel.activsport.ro/userfiles/file/fusizifideze.pdfIn PDF document text
    • https://tommytest.dish1314.com/data/html_editor/files/96413098862.pdfIn PDF document text
    • https://handball-chac.com/docs/file/11527489030.pdfIn PDF document text
    • http://logiccpacma.com/ckfinder/userfiles/files/masebekileloxamonal.pdfIn PDF document text
    • http://e-restauracion.com/app/webroot/files/uploads/files/92070705626.pdfIn PDF document text
    • http://maaramachandifpo.com/admin/userfiles/file/kuvenomaderetiwonuniw.pdfIn PDF document text
    • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cbe6553442afc7d4b863f20b1bd83088/xidokemugodejal.pdfIn PDF document text
    • http://shbaicun.com/userfiles/file/2021112821451273499.pdfIn PDF document text
    • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16190fb63ccc8a---26898509481.pdfIn PDF document text
    • http://delmepatlatma.org.tr/kcfinder/upload/files/gigaferivesavep.pdfIn PDF document text
    • http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/sasurevusavoxekatesok.pdfIn PDF document text
    • http://argyleliquidations.com/userfiles/files/vifurit.pdfIn PDF document text
    • http://sd-admin.fazendapenaazul.com/ckeditor/uploads/files/32465671972.pdfIn PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/HTGXzuRVGb4/uplcv?utm_term=eternal+palace+heroic+boss+guidePDF 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_off00029947.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00029947.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00029947.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29947 17412 bytes
SHA-256: 7feb047041485a48b4c90154ef169a8c0a1d192590dd194f19341b25dd7e1f8d
font_01_sfnt_off0002c6e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C6E9 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0002dd8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DD8D 11016 bytes
SHA-256: b6284570e49ee30555628a2b71ae989eaa37a73835e4396cb5b0b5d9a78805ab