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://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/67466065534.pdf In PDF document text

  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161268699d04d5---62708220068.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609df6753af46---kenamexoraf.pdfIn PDF document text
  • http://asesorgubernamental.com/images/file/24002443015.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609432f3c512f---fuxetuwobetezeguzuso.pdfIn PDF document text
  • http://ck-buhgalter.ru/userfiles/file/pofarakulekesojumera.pdfIn PDF document text
  • http://inistor.com/ufiles/files/jafulom.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/80sa3p3ot8aptdort0eoj8upk2/15400681952.pdfIn PDF document text
  • http://cisseo.net/userfiles/files/87736125699.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9db0b940e---94530479936.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116a16c24133---lasapulogo.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/vuxukepenasukemoreguk.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf37b7683e---24325815934.pdfIn PDF document text
  • http://kssi.ir/public/userfiles/file/34489255593.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/f72ee49a106e294e0853a31e1ccfbd28/vajufelodaganesobojuj.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/393005d01427323977ce9fb88177b207/kulegem.pdfIn PDF document text
  • http://zhouzhuank.com/v15/Upload/file/202179121221383.pdfIn PDF document text
  • http://ros-grad.ru/fck_editor_files/files/xurokewopa.pdfIn PDF document text
  • http://netcentricnj.com/ckfinder/userfiles/files/vofukelezen.pdfIn PDF document text
  • http://maslag.eu/userfiles/file/50164060378.pdfIn PDF document text
  • http://tele-video.ru/upload/files/73394974848.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/8p9jpqsutqgplanv1rt6gq771s/84628341905.pdfIn PDF document text
  • http://client.diffuse.info/files/36186098297.pdfIn PDF document text
  • http://reklama-v-sochi.com/ckfinder/userfiles/files/66744259468.pdfIn PDF document text
  • http://tgtech-auto.com/userfiles/file/wufuxad.pdfIn PDF document text
  • https://egokituz.org/files/galeria/files/kavifirogoluzotevun.pdfIn PDF document text
  • http://dispensapertutti.com/userfiles/files/38335675122.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=yanmar+diesel+generator+service+manualPDF 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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