Malicious PDF — malware analysis report

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.
• 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://cructi.ru/uplcv?utm_term=free+multiplication+worksheets+for+fifth+grade PDF link annotation

  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/aot6dkt83js2shcj3lgeedin7q/91895616885.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e2df09f33---95228992391.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/ol3h5utbooc3cfmj5su672n73o/26481244262.pdfIn PDF document text
  • http://lungshingcentre.com/userfiles/68941848961.pdfIn PDF document text
  • https://xn--interpeas-r6a.es/upload/files/44343619839.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c2dd5fcf7bc---biwamakot.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rojemajufezazexanobefa.pdfIn PDF document text
  • https://europawindow.com/app/webroot/img/main_content/files/80311413190.pdfIn PDF document text
  • https://www.hmgfinance.com/ckfinder/userfiles/files/vigepejepu.pdfIn PDF document text
  • https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/2c18b1e097660e02751f13d689a07627/ruzedumamimetopuzemeponop.pdfIn PDF document text
  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/p70q0vp8qqunp513hnesogr5r1/taredimava.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/wokelofopejuka.pdfIn PDF document text
  • http://ohappy.org/userData/board/file/xodatolutidusatoxobe.pdfIn PDF document text
  • https://discovercefalu.com/_data/images/file/desol.pdfIn PDF document text
  • http://mjsolankifoundation.com/fck/imagesfile/lisosegefakelepitoko.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0644480c9bb23ec66989396d822cfffe/ximaf.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/eitv5fjf9sn86v9oop2igc1n3m/ximesubijesomotiliruse.pdfIn PDF document text
  • http://ydis.kr/userfiles/file/021647139689.pdfIn PDF document text
  • https://cnc-ar.ro/files/file/82252707852.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcac7d591b---66782327058.pdfIn PDF document text
  • http://cpghollywood.com/userfiles/files/92051457248.pdfIn PDF document text
  • http://helderlive.nl/ckfinder/userfiles/files/6315906380.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b9d18a9ef---32846242864.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c51d09bf8f4---73154604310.pdfIn PDF document text
  • http://ikhmongol.mn/ckfinder/userfiles/files/libuzerudupolezagaju.pdfIn PDF document text
  • http://logistra.fr/ressource/site-image/files/musim.pdfIn PDF document text
  • https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/6ec1cfc4ba39cc0e64cc633dbeaeefac/98556296272.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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