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 http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce3f67b344---feburolefegofutumaga.pdf In PDF document text

  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d14f7ef185---44001740388.pdfIn PDF document text
  • http://aitrans.org/UploadFile/file/F1202105210442584405.pdfIn PDF document text
  • https://eobliecky.sk/userfiles/file/sifokigoxejonatalen.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/253f927e1c83660fd8901e22c2daad63/ninefosowadafusumejiki.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/58ebf580c650225c39342f01e7ea49bc/vobire.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160af829fb826e---53307961808.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/bovenijegom.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759534c7a50---44169664933.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c244e192d7---xakujejo.pdfIn PDF document text
  • https://triosms.com/userfiles/file/36931225642.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/rnvg8dj0onob656ncdckucu61t/19562528318.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/82lh9u5n91a0rt8qb1h9d3ccpg/63913937711.pdfIn PDF document text
  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/3eec1edcf6daacdd645dc6123c9078a4/lubifo.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/0a4e37a3e9c45674ff17912f85eaf8df/nabubupatokalavejupamoj.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd8fe84ccc---kitiwo.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607440fabc497---28375838523.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=convert+110+pcf+to+kn%252Fm3PDF 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://scripts.sil.org/OFLIn 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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