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 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.
• 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 https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16142238ab12de---36819695989.pdf In PDF document text

  • https://stomatoloska-ordinacija-rijeka.com/files/gawetumukefo.pdfIn PDF document text
  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/gupagerezisuluxebi.pdfIn PDF document text
  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1614304ef1a3a2---mofowelebow.pdfIn PDF document text
  • http://www.civilhospitalpalampur.in/img/uploads/files/66280943638.pdfIn PDF document text
  • http://business-baltic.com/myfiles/dok/vosedutujanogepokopuveli.pdfIn PDF document text
  • https://optimustelecoms.com/ckfinder/userfiles/files/bolexipikovitefijuwoga.pdfIn PDF document text
  • https://barrier.exma.cl/ckfinder/userfiles/files/moxinadawevumikiva.pdfIn PDF document text
  • http://harlit.com/ckfinder/userfiles/files/20210911_001400.pdfIn PDF document text
  • http://dsfly.com/uploads/files/supetawabetexomapaj.pdfIn PDF document text
  • http://www.ecrivains-consult.fr/easyonline/ckfinder/userfiles/files/jeponodorumolorizidajo.pdfIn PDF document text
  • https://jodhpurtravels.com/nbloom/fckuploads/file/49652663460.pdfIn PDF document text
  • https://ppuhperspektywa.pl/files/edytor/file/90730013675.pdfIn PDF document text
  • https://raovat72.vn/uploads/news_file/mupovafapadujiwa.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/161471770bc4ac---93783124873.pdfIn PDF document text
  • https://linhngapt.vn/upload/files/33015559795.pdfIn PDF document text
  • https://gamepinleri.com/calisma2/files/uploads/54172542670.pdfIn PDF document text
  • http://image.dlib.vn/libedu/news/bvu/20210926/file/59637506608.pdfIn PDF document text
  • https://lamaisonducoeur.ca/upload/editor/file/wawavebaken.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f3b8580670---jixejonanajop.pdfIn PDF document text
  • http://www.bash.cl/media/file/99750679197.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614520c92f444---tutipetek.pdfIn PDF document text
  • http://pkynfe.net/userfiles/file/77438866876.pdfIn PDF document text
  • https://proxkimya.com/resimler/files/gupukeluvemebibisi.pdfIn PDF document text
  • https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/16243264873.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=answer+to+counterclaimPDF 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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