Malicious PDF — malware analysis report

Static analysis result for SHA-256 478fd1e4dbba10dd…

MALICIOUS

PDF

83.5 KB Created: 2021-08-29 15:06:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: f0457db54dbda7b6836ffc9902531794 SHA-1: cfe6c61879b41a9e6719616a80018d751a946343 SHA-256: 478fd1e4dbba10dd3908d385d5951b2b6e66641501a114212f951ac6a295eea0
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://omonetach.pl/foto/ilustracje/file/66253345417.pdf In PDF document text
    • https://beytarimcilik.com/admin/editor_resim/file/wiregaloseluvekapanibiwe.pdfIn PDF document text
    • http://kiuruvedenlukio.fi/tiedostot/file/jubav.pdfIn PDF document text
    • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c379d59069c---95176959469.pdfIn PDF document text
    • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee4ddbe5df---39420877396.pdfIn PDF document text
    • http://salespate.com/userfiles/file/jigide.pdfIn PDF document text
    • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/d8ni3dhgb6r2sn5s15q4md3phj/zofufes.pdfIn PDF document text
    • http://matras-devison.com/upload/file/3785326196.pdfIn PDF document text
    • http://laclonghotel.vn/upload/files/94110694964.pdfIn PDF document text
    • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9b996f4ed---45972663621.pdfIn PDF document text
    • https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/cf3hlhh30dm16n53jr5h0nbd33/vuvebiwidesar.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b379c1835---nepusetox.pdfIn PDF document text
    • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/bc98ddf0b4969e67898c2db1554e5775/74141096161.pdfIn PDF document text
    • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/13be86f1a3eefcf729f24fd472254d9c/xadolemowisik.pdfIn PDF document text
    • http://dhf-china.com/d/files/gasoxe.pdfIn PDF document text
    • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/26ead765785e9946053ce4e3b88b64b8/mebaduzebozago.pdfIn PDF document text
    • http://onishi-kyosendo.jp/archive/mokorusadi.pdfIn PDF document text
    • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/3376b3c2d337d5eda75ff3843bc49ef9/damonetamoj.pdfIn PDF document text
    • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104bcc82e80c---61595204887.pdfIn PDF document text
    • http://mulroyenvironmental.ie/userfiles/file/rosevekaxezenanuf.pdfIn PDF document text
    • https://palet-school.com/files/files/fetigubonevedevipogas.pdfIn PDF document text
    • http://duonglaohanoi.com/userfiles/file/detavakosujumivividegi.pdfIn PDF document text
    • http://dokumsuzgec.com/userfiles/files/xepipodefelax.pdfIn PDF document text
    • https://bitree.com/ckfinder/userfiles/files/xuditito.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=mylonite+mineral+compositionPDF link annotation
    • https://medlineplus.gov/ininals.htmlIn 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 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_off0000dfff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFFF 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f811.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF811 19072 bytes
SHA-256: b1efb338981880aa2f36b51f93a7849704838788a6eaacbe32c29bdb2db779eb
font_02_sfnt_off0001287a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1287A 10644 bytes
SHA-256: a22c3b2d9feffce5a139cd08710317b39a2edd36c860402333ddb2a5baaaa347