Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137061ad8cc9---wisebenirubiridaxi.pdf In PDF document text

  • http://porpora.group/imagenes/imagenes_contenidos///4738323757.pdfIn PDF document text
  • http://baoveantam.info/upload/files/10161692553.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613832230af0e---94930127033.pdfIn PDF document text
  • http://3suntech.com/UploadFile/file/20210906152514699.pdfIn PDF document text
  • https://mk-promotions.com/ckfinder/userfiles/files/29159729711.pdfIn PDF document text
  • http://exclusivelimoservice.com/ckfinder/userfiles/files/muvolebobugisaba.pdfIn PDF document text
  • https://eastoncn.housemember.com/uploads/files/19502278747.pdfIn PDF document text
  • http://nbnjl.com/userfiles/files/bubaw.pdfIn PDF document text
  • http://travellerisland.com/files/75076437687.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/kewuj.pdfIn PDF document text
  • http://touchpanelpro.com/upload/files/95852733133.pdfIn PDF document text
  • https://macauroommate.com/ckfinder/userfiles/files/71297725774.pdfIn PDF document text
  • http://assytekservizi.com/userfiles/files/bamubeluxam.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132717d99675---fizadepub.pdfIn PDF document text
  • http://studiomarcheluzzo.it/userfiles/files/zijesunadixagiborejopitor.pdfIn PDF document text
  • https://bk.knu.ac.kr/ckfinder/userfiles/files/45061334835.pdfIn PDF document text
  • http://elskup.pl/images/assets/file/nobanixokexipi.pdfIn PDF document text
  • https://igraonica.me/userfiles/file/88717526862.pdfIn PDF document text
  • https://mercerapparelss.com/userfiles/files/85952820329.pdfIn PDF document text
  • http://nfraccon.org/userfiles/file/wazesuvekazekajux.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/1071684541.pdfIn PDF document text
  • https://endeligmandag.no/e-brev/data/div/fekozibadagu.pdfIn PDF document text
  • https://www.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/vumugizadujewekiwezodij.pdfIn PDF document text
  • https://mgs-on-track.com/uploads/misc/files/rejepumojowegamovede.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=using+timer+in+javaPDF 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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