Malicious PDF — malware analysis report

Static analysis result for SHA-256 7939622304de7052…

MALICIOUS

PDF

78.9 KB Created: 2021-08-24 06:37:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: b15fae779317c1b0a21bba016eacf631 SHA-1: 74ed50dca9407d2c73c67ee64203f24383b4f0f6 SHA-256: 7939622304de705260fc4e35bad0dc0eafd74834372e160118e274bd346eaf02
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d164f2eb76---danokodilagosap.pdf In PDF document text
    • http://apnschool.in/singhania/downloads/file/panonubadisujidupi.pdfIn PDF document text
    • http://webinside.pl/userfiles/file/tibakovetuki.pdfIn PDF document text
    • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9a7f06ca6---94075167388.pdfIn PDF document text
    • http://pure-chiral.com/upload/files/xujorepuwog.pdfIn PDF document text
    • http://spreewaldatelier.de/img/editor/file/sedemofegavuwaxanokomubaw.pdfIn PDF document text
    • http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/1547003370.pdfIn PDF document text
    • https://binarbaidfabrication.com/public_html/userfiles/file/liwexijeke.pdfIn PDF document text
    • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf417e33ace---wubugeguxifokubinikutudi.pdfIn PDF document text
    • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/fb7e981dee21c70eca1320b0c2e3d809/2439628180.pdfIn PDF document text
    • http://newmob.it/userfiles/files/95410411376.pdfIn PDF document text
    • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/4ed5d453e7bd5b479ac998fad512322c/57435844922.pdfIn PDF document text
    • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/b6ec32e0ugqk7t7ipcrm0oks2i/dogirusirowusev.pdfIn PDF document text
    • http://vyveva.eu/UserFiles/File/xusuwapumumivagutudixare.pdfIn PDF document text
    • http://missinternationalbeauty.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/jegov.pdfIn PDF document text
    • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607591dd4642d---27173977145.pdfIn PDF document text
    • http://lltsg.com/uploadfile/file///2021080610103082.pdfIn PDF document text
    • http://fantasymusic.it/userfiles/files/40860539617.pdfIn PDF document text
    • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083b13d2fb4e---migowabote.pdfIn PDF document text
    • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609530a164ae1---84416198774.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=t+table+for+critical+valuesPDF 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_off0000cf3b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF3B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e74d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE74D 18004 bytes
SHA-256: a060d722b02a24d6b1fd237c8bf05ad53e839dc8539cda6fcb5e3068da423d45
font_02_sfnt_off00011610.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11610 10496 bytes
SHA-256: 3f309b1ce50c803b3e565e612dd80d084f0a334159ff4134fa2c04f837ca68d7