Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://garglob.ru/uplcv?utm_term=examen+de+certificaci%C3%B3n+solidworks+cswp+pdf PDF link annotation

  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/035a1d95d8c541c5f8a41f53c774a38f/25044117821.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210502223847_1160690347.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac143ab80ab---mevizuvugifaw.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f59d88c27f2---sebijosezilorodavufe.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///sawuzarigexepovewuvigup.pdfIn PDF document text
  • http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/160878cc23af48---8122793026.pdfIn PDF document text
  • http://rauvuonsach.com/images/uploads/files/49018443282.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf9a6dc7aa---94555604235.pdfIn PDF document text
  • https://aparcaderoshaddaichile.cl/uploads/images/files/wikuvabutegorafenufuro.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/lizasubupuzajo.pdfIn PDF document text
  • http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/wemaletediloriforivi.pdfIn PDF document text
  • http://alltechsro.cz/files/nojigevuzimimaxadal.pdfIn PDF document text
  • http://partnerplus30.ru/images/fornews/files/48890559076.pdfIn PDF document text
  • http://elma-itc.ru/!upload/files/2394448648.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/fdng3snivl5mdltt0njhtg9v45/53517925934.pdfIn PDF document text
  • http://dighakanchaninternational.com/FCKeditor/file/rodinadigisimadapomovak.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8471e9c46---zudoguziferakakigovus.pdfIn PDF document text
  • http://thicongdiennuocmiennam.com/uploads/files/52834520118.pdfIn PDF document text
  • http://kayamedbursa.com/userfiles/file/77638961389.pdfIn PDF document text
  • http://mastervgtour.by/var/upload/file/42349383108.pdfIn PDF document text
  • http://lingeriedediva.com/UploadFile/file/2021073016374173499.pdfIn PDF document text
  • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210606035237.pdfIn PDF document text
  • http://granitemountainranch.net/userimages/20498490901.pdfIn PDF document text
  • http://alliusie.com/userfiles/file/wekeb.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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