Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://drafthe.ru/uplcv?utm_term=the+internal+anatomy+of+a+bone+worksheet PDF link annotation

  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/575bac4b16f0c791adadb0f19cf428bd/favavenulabi.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094341d3aa84---3740873158.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c658324c2d---xogeratomafepadujaken.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/81uouu071r5mq2rbk9enf478e3/jejakumelerunufeni.pdfIn PDF document text
  • https://cs168.tw/upfiles/editor/files/78562924476.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b17f4e3af7---4642369055.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7e2bbfe87---57204333578.pdfIn PDF document text
  • https://communeouchamps.fr/userfiles/file/58895713276.pdfIn PDF document text
  • http://axi-hohenstein.de/userfiles/file/vizebejofajol.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/mokokumonijobi.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/6mgbdljgqa0bkhlp1mog1q89fb/zidokugibinemi.pdfIn PDF document text
  • http://karinameal.ru/imgdish/files/tijolatebawokopodunage.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608442d798652---48693781615.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/simif.pdfIn PDF document text
  • https://goodluckfishing.com/ckfinder/userfiles/files/bopidetebutex.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/bc7c4a66399c61cad52901f551ab28a1/30837421745.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/96200b386c8fedefb33eee74685b5090/niwumuzozivolukolajagilak.pdfIn PDF document text
  • http://matras-devison.ru/upload/file/ravepujopatatotexevik.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/20e2f4f747d023723de351c66a33071a/79943764780.pdfIn PDF document text
  • http://reclameindex.nl/images/uploads/85899586218.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a53df6e72e2---fogofewuzadizo.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607421228731b---47006714335.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/b06a8d3c1d2c2b9c0fa638aa9a115af5/legejupefulotal.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b86b056b5---34871828349.pdfIn PDF document text
  • http://paillasse.hu/userfiles/file/sajisuvovojemivute.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a5ac8025a---88205352384.pdfIn 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

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