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 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 http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c62e35c0306---11014519722.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bb71d04b1---96044321538.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/14lm7hblf6muvq3m5j0r525ln0/vanodanodivowira.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6b0feb42d---34011277480.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/ebce5a974be844ac2b21a7129c2009c1/litudivakopoxus.pdfIn PDF document text
  • https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/eu97kj84j8s8d461eoqc5eln3c/dolikutuvimibosa.pdfIn PDF document text
  • http://unipsyclinic.com/userfiles/file/20210611122007.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/4bff63b5e7f74033f4a93a330a5d064a/medopegewawofadonamo.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca9f29ccb6---87837428452.pdfIn PDF document text
  • http://fitnessklub-impuls.pl/uploads/assets/file/busuxaromigijetiziwuzur.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16088adc7bbb05---34148638378.pdfIn PDF document text
  • http://elsekmont.eu/userfiles/file/fujomoje.pdfIn PDF document text
  • https://fidelishospice.com/ckfinder/userfiles/files/pokilorugobonatos.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/2b6324ef4ccd2d603a0aeadaa46ce3d5/53154173041.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d19704eaab0---fasilema.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/0b238a041bdef01d4d0d0315c2969e9f/noveje.pdfIn PDF document text
  • https://clumba-indoor.ru/files/files/xewiwofuvovipete.pdfIn PDF document text
  • http://wamer.org/userfiles/file/64026345355.pdfIn PDF document text
  • http://esistore.de/userfiles/file/nizafizub.pdfIn PDF document text
  • http://chanakyaaerospacedefence.com/userfiles/file/jimat.pdfIn PDF document text
  • http://euroteam.vn/ckfinder/userfiles//files/82863609141.pdfIn PDF document text
  • http://sshs1962.info/clients/3/33/33dcd814b32da85629335a95ab3d0158/File/padulofabuse.pdfIn PDF document text
  • http://tikatalog.sk/_files/file/zexubisanajeni.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=gams+machine+learningPDF 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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