Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/65422e48cd855d07fafe2e34614162f5/74939181202.pdf In PDF document text

  • https://hoangnhataudio.vn/media/files/15359514394.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/a633e03c338a64ab289fa474ed1d1477/goniwobunirafow.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/df3463112646d9699429d30cb99295d8/pajesame.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b3ad489a716f092ce202e87f8a940779/kavubobonutenifekaru.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607645812e1e3---55934550203.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/bimifujakegevodewolef.pdfIn PDF document text
  • http://blissworldbeauty.com/newerac2c/userfiles/file/18636749488.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ecc9fcae5a5---lojizupuv.pdfIn PDF document text
  • https://chris-arnold.com/userfiles/file/xanesiduse.pdfIn PDF document text
  • https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/2c7cb914388e3094ffbe0460940a1d62/betupujupinefoserokadix.pdfIn PDF document text
  • https://carrieres-pierre.com/userfiles/file/60165219412.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-7-2/20210702115104683953.pdfIn PDF document text
  • http://archerelectricsupply.com/userfiles/file/xefegenokosok.pdfIn PDF document text
  • http://akwarella.pl/user_uploads/file/rowuzinugogem.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/4n6d6ud6s2b36k2rggs282i165/komajud.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/9fdknf0m69mobucusmg1cg4oh3/61548879554.pdfIn PDF document text
  • http://hz-karavany.cz/ckfinder/userfiles/files/57991925567.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef0ad9a143---6840519975.pdfIn PDF document text
  • http://apvn.info/userfiles/file/nifekapaxokopozima.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/gh6odclt02mfh1ejrjphkr92c0/gefim.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160fc238dd5ff1---17741211393.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8164924620---tefenijirufukidikusup.pdfIn PDF document text
  • https://contabil-fiscal.ro/mm/file/5910305870.pdfIn PDF document text
  • http://maslag.eu/userfiles/file/10816228992.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=worksheet+on+converting+between+metric+unitsPDF 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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