Malicious PDF — malware analysis report

Heuristics 6

• 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 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://catamma.ru/uplcv?utm_term=gijon+mapa+pdf PDF link annotation

  • http://www.derbysignandgraphics.com/uploads/file/19015240767.pdfIn PDF document text
  • http://autowassenindex.nl/images/uploads/69320937696.pdfIn PDF document text
  • http://xdata.pl/app/webroot/img/ckf/files/mapilupekixekuzixako.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/5b2fa6a9932895d132edade76f7899c4/noxedababiwapukaso.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a77c0eb6a2d---wepakituj.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d27d4c3078---78105554949.pdfIn PDF document text
  • http://www.egavilanes.com/ckfinder/userfiles/files/juzobewudijip.pdfIn PDF document text
  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/ccd21493f5c6296b4393f3dbf5d56b2d/tesagididu.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/059d548dbdaaea7f7652ec0f9ee5b9dc/40898500250.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/xijuw.pdfIn PDF document text
  • https://cauthinh.com/luutru/files/dodan.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5177aa4340---vojugidujelegatijopekupo.pdfIn PDF document text
  • https://nutstudio.it/userfiles/file/10578225681.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5a5279b913---noviram.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210621135632617.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703443e4858---53990086658.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d27d3f83364---83898878785.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/htao1nhse7bo172puqjion3s54/76742040198.pdfIn PDF document text
  • https://warsztatgdynia.pl/app/webroot/media/files/vufidemuf.pdfIn PDF document text
  • http://lightningriskassessment.com/ci/userfiles/files/zasezedibeso.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/90500897661.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bc5bad4c6b8---lugiwebilulodebi.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be7eae63e05---27711565711.pdfIn PDF document text
  • http://konstruktor33.ru/app/webroot/files/files/43089643594.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/rivinifoboserilatigej.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608494cc8df9a---gapitifal.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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