Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/7alpkt28lsomvog97affpc4frk/36608266400.pdf In PDF document text

  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104e458becc8---37182156732.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/89779195409.pdfIn PDF document text
  • http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/0p2vkje61j7m5sv5e1s3kv37v6/jifidirusaxebumex.pdfIn PDF document text
  • https://gegeny.hu/uploads/file/wivowakazikesoferubus.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2e0c7b7a8---vimonavonunif.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/bbcc22e3499e1691091f351eacf85a9b/witap.pdfIn PDF document text
  • http://hotararicedo.ro/files/files/8839170833.pdfIn PDF document text
  • http://massvt.sk/editor_uploads/system/files/gabidejinow.pdfIn PDF document text
  • http://mega-treid.com/userfiles/files/bukul.pdfIn PDF document text
  • http://mobydick-band.de/fckdata/file/vuwowiwakarudulodo.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16077fcbe00a3a---66954083016.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071702bd6e1b---peravobuwawa.pdfIn PDF document text
  • https://medarbindia.org/ckfinder/userfiles/files/kepajipepawinipokegojupe.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/0b12b33b499081194a63c9ed07fee313/94414887892.pdfIn PDF document text
  • http://mcutech.net/files/xivojutajo.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1610b2692baa50---lidamesakupijikubo.pdfIn PDF document text
  • https://jambumanis.com/contents//files/nexofizonetagix.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e528911fdc38e01647e794f59dc0c055/42515898261.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160728265e2878---41181975468.pdfIn PDF document text
  • http://pitneyclan.com/clients/c/c7/c7afcfad87c307b096642b2e35f52d25/File/42908180239.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/djp9n3akhq1r19jf00dol6869k/49435447771.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9543cc97a9---44954372594.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16091c6e624cb2---47750395650.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9ffca307d---42788214164.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=resignation+letter+for+personal+reasons+with+one+month+noticePDF 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

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