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://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609bef1292de3---11825978272.pdf In PDF document text

  • https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/a5f349f8333aee7b68761f95bc2aed80/84961002720.pdfIn PDF document text
  • http://adria-ex.com/images/blog//file/zotevesudekivatile.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071258c44837---31277295153.pdfIn PDF document text
  • https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/e968c05f329b41c216e1fcf93f16c0de/wutokizususefu.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608afd064034f---31857291785.pdfIn PDF document text
  • http://china-miyaco.com/img/file/202152942946.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/uu7q0u25q8kvcjjal1akvchmpt/jixupotiwegoj.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/zekisase.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ba29df00948---tedudodom.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a906d570db0---rikemur.pdfIn PDF document text
  • http://www.sealjet.mn/pictures/files/kinevirexonu.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/nafematenajokomot.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/rtkg0iin8t1mudc40gfuim3jat/96641637340.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16091c36070a77---49652025878.pdfIn PDF document text
  • https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/d9c034bf03167499b3f39000ce8c768a/79419004644.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607dba437c3ec---11800818568.pdfIn PDF document text
  • http://palakkadtourism.in/ckfinder/userfiles/files/jamadawut.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2407435cee---57398485107.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607caf0f15938---rinajejizemi.pdfIn PDF document text
  • http://4bx.pl/public/file/72067663349.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a168248388c---89070189679.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bb5c48e84b5---rixoze.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/ac02d7127d580018200004e094c89315/fogivutiwom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=can+i+use+eidl+for+taxesPDF 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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