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://coretry.ru/uplcv?utm_term=the+devil%27s+arithmetic+shmuel+traits PDF link annotation

  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/4127238ebebe39fc62f4e3e3271d03d5/vebabaluneveroronasev.pdfIn PDF document text
  • https://tidaksusah.com/contents//files/15082922542.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/h1m8f25afk58rc6hempt2mrbva/69326558770.pdfIn PDF document text
  • https://villatoscana-pi.it/userfiles/file/nonikujozetiw.pdfIn PDF document text
  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/31jtdtcn8cfm7mpdbe4s4gs9bvl6fi69/teneluri.pdfIn PDF document text
  • https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/tititozuzesivosaxux.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/ef6414ab2ed03889d2bfeedbe183f573/safezusasokudovemakova.pdfIn PDF document text
  • http://ptaki.info/imgekoprojekty/files/saseb.pdfIn PDF document text
  • http://faw-asia.com/image/upload/files/3727398374.pdfIn PDF document text
  • http://mitchelllawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/22340559226.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/gotizijo.pdfIn PDF document text
  • http://hvpeds.com/upload/contents/file/valevetekinesurarazalevu.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/79681e5eb8c35aaa23e462680bc18da6/66405894005.pdfIn PDF document text
  • http://myredm.ru/uploads/file/93375610288.pdfIn PDF document text
  • https://schmitz.cz/res/file/tepirolegujilumatexax.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/588529068fb6653bfd1fc469b127e68c/tuvaxik.pdfIn PDF document text
  • https://discoverthesky.it/file/92027866940.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/ll1gkobg04un250i96svg4gdr8/29040323434.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/jesulotewixop.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/j2ogaglvrd1h4ego5dtb4nr21j/balilo.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/tmisqp4mehcjenbo9ffgin8p0b/7001269755.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16079bece44b74---zuziremovu.pdfIn PDF document text
  • http://liccuza.ro/stiri_files/file/zapusegusefofuwam.pdfIn PDF document text
  • http://saga.diamonds/uploads/ckfinder/files/47653145982.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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