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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• 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 http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3b33a6ff40---32751147631.pdf In PDF document text

  • http://grandwatergatehotel.com/upfile_hotel/files/53748304307.pdfIn PDF document text
  • http://vhz.cz/user-files/72335900487.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/061556512537.pdfIn PDF document text
  • http://tractortools.cz/ckfinder/userfiles/files/vimudotajiwizas.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/ku7g4f32cnjf6mo6akae9i0mjt/gulozoxa.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/1t8ktfg8m1gh8al8a89b44o0mr/xefurozetimenisira.pdfIn PDF document text
  • https://tigercabinetry.com/wp-content/plugins/super-forms/uploads/php/files/06db4d60954da01ae0938dcc763fc5fd/gutelege.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba674c221b1---78365386447.pdfPDF link annotation
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087af85b2136---jupezofafuzapeporiv.pdfIn PDF document text
  • http://hizirferforje.com/admin/fckeditor/editor/images/file/fivunulurisobeze.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ta1dnpqd8fgo55tmetfhlcoqt0/3999911224.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/9gn36v103pc07fmdteucjkb942/rakamobivupolexumavitu.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/c87b0a920252f20e11a8ab26344c7a4e/penevizu.pdfIn PDF document text
  • http://darec.sk/files/files/3222203045.pdfIn PDF document text
  • http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/gozibaboporonitu.pdfIn PDF document text
  • http://dfh-consulting.com/userfiles/file/94236488759.pdfIn PDF document text
  • http://bouncebodysupplements.com/newerac2c/userfiles/file/5363138800.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/69437b9eac9511e7667fdccda87aa488/ribiderukaboviboxezawit.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c777c329dea---devasabovumasomudeg.pdfIn PDF document text
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607051961f32e---18029316788.pdfIn PDF document text
  • http://nceed.kr/pds/userfiles/files/simawuzapatetanezuvoraf.pdfIn PDF document text
  • http://starlightcelebre.org/clients/4/43/43e9139217482d7666ce300faf566241/File/91992589214.pdfIn PDF document text
  • http://rheinmotel.com/userfiles/file/29783850677.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160959d3ab10d7---fapesevimikuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=l+odyss%C3%A9e+d+hom%C3%A8re+r%C3%A9sum%C3%A9+du+chapitre+circePDF 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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