Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d06a4d65edd70b…

MALICIOUS

PDF

86.5 KB Created: 2021-08-17 21:15:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: fd6cdc202225299953ff732a7327eea1 SHA-1: 5533a149afb1b16af91ba1c695b5d83e6edb4d98 SHA-256: c5d06a4d65edd70bcef6c1e672feea90adc3b315fb6df3ff7a23fd0643ade1f8
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 7

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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.alfapilates.pl/upload/file/63469600508.pdf In PDF document text
    • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4e0f757a7---vovuzetelofisekavidex.pdfIn PDF document text
    • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/fcc96d380664a151f7743d7449888ee1/88252743383.pdfIn PDF document text
    • http://splogservice.ru/content/files/6514888459.pdfIn PDF document text
    • http://cnc-soustruzeni.cz/files/file/82642061869.pdfIn PDF document text
    • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c15c916ed3c---7935468061.pdfIn PDF document text
    • https://upbfassadenbau.com/upload/file/xaxutizajaz.pdfIn PDF document text
    • http://indianaquesters.org/clients/9/95/9573c8d6e108c9729a37356986dd5b5e/File/jumujiwisubisixuzajo.pdfIn PDF document text
    • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/178m4e8l20bh95083p4gfpgd3b/loluwanufuzeduzafe.pdfIn PDF document text
    • https://www.douggoodkin.com/admin/ckfinder/userfiles/files/18487549649.pdfIn PDF document text
    • http://cascad-trans.ru/files/dixeg.pdfIn PDF document text
    • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/a4834b19076298daf0afda14b811670d/lapuroki.pdfIn PDF document text
    • http://hongdacable.com/d/files/wizulobefedigudokatumete.pdfIn PDF document text
    • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/4e434d335438d1ad4e2b6a867d8a119d/megagu.pdfIn PDF document text
    • http://portalkucharski.pl/app/webroot/media/files/lalosuwesejugijabamawaz.pdfIn PDF document text
    • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097ea6f3aa97---tabawekepakimadojuw.pdfIn PDF document text
    • https://mangonebike.com/uploads/file/pujunipasu.pdfIn PDF document text
    • https://fotofidelity.cz/userfiles/file/68418549794.pdfIn PDF document text
    • https://rajatotogroup3.com/contents//files/99296995008.pdfIn PDF document text
    • http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/nowuw.pdfIn PDF document text
    • https://autosaloncenter.com/uploads/file/76042802705.pdfIn PDF document text
    • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/12f8ba49d290b8f2308a75ff1aeb9bb9/30976886081.pdfIn PDF document text
    • https://empezo.xyz/js/ckfinder/userfiles/files/27380433829.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=shootout+at+wadala+full+movie+free+download+hd+480p+filmywapPDF 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_off0000e936.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE936 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0001014d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1014D 11444 bytes
SHA-256: 1a6279ec6223a121904b21d96621e22d4b994ec9746e11664a1f7304bcda5af0
font_02_sfnt_off00011c3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C3F 17164 bytes
SHA-256: 12a971340471c6c6edf4bdff9521056eb60494ed43f5ca9c99ddaa7d48bc0ded