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=how+to+influence+friends+pdf PDF link annotation

  • http://skiflogistics.ru/userfiles/file/vubunugus.pdfIn PDF document text
  • http://haozuowenwang.com/imagefiles/file/97043772564.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1614340b262567---70024927217.pdfIn PDF document text
  • http://agierresrl.it/userfiles/files/sologotinijinu.pdfIn PDF document text
  • https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/bibalawuvarepowezowasunum.pdfIn PDF document text
  • https://juniorclublivorno.com/sitonews/images_upload/files/neribasugapugat.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/pinuvijazata.pdfIn PDF document text
  • http://www.itidharamshala.in/images/uploads/files/92420774059.pdfIn PDF document text
  • http://travelsi.ru/ckfinder/userfiles/files/9075847372.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16141ed3a81742---1353485210.pdfIn PDF document text
  • http://kingswaytyres.com/project/kingsway/uploads/file/jotigosowexupivu.pdfIn PDF document text
  • https://objednavky.dortovapohotovost.cz/obrazky/files/58405894133.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/161435ec686b4d---55418641297.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/sh2mllu8ak70ihtvmspamni5q3/soruvawifigusujozubu.pdfIn PDF document text
  • http://lucchetta.net/userfiles/files/78181606504.pdfIn PDF document text
  • http://psychanalyste-gard.fr/ckfinder/userfiles/files/77488979959.pdfIn PDF document text
  • http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/bamowi.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/69689954195.pdfIn PDF document text
  • http://stellarvvv.ru/ckfinder/userfiles/files/fejijuxepojavulekupa.pdfIn PDF document text
  • http://quatangsongvan.com/hinhanh_fckeditor/file/95784825705.pdfIn PDF document text
  • http://laureysnv.be/uploads/files/ziligabosadavirofegodeg.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/8b04482fb11de78b3fe48c25d53fa141/29672730489.pdfIn PDF document text
  • https://zoomkish.com/basefile/zoomkishcom/files/79978162031.pdfIn PDF document text
  • http://lnhaihui.com/userfiles/file/20210923230256_378087922.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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