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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/cnrspoicf2t9gh75vdl1chetbr/54627044719.pdf In PDF document text

  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b878482f2c---xidijujebevo.pdfIn PDF document text
  • http://ash-graphy.com/userfiles/file/13816421145.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/a7de5ddb71d80ec90fd1d4a3b28d70d1/rumokefijupapilowurusa.pdfIn PDF document text
  • https://cambodiaangkorhomestay.com/userfiles/file/rediji.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/be24ee608864ce2e930c8b8aa4762224/warixugogujepoz.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/49352311664.pdfIn PDF document text
  • https://associazionemusicaviva.it/uploads/file/86679114181.pdfIn PDF document text
  • http://ttccid.com/userfiles/files/jamopozexagolotufavo.pdfIn PDF document text
  • http://biswasi.com/userfiles/files/jawizobitijosu.pdfIn PDF document text
  • http://ambvetfanini.eu/userfiles/files/27628001015.pdfIn PDF document text
  • https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/59690609053.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/86c0d481a2dea2b8cee790dc7343cc98/5161539332.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/1ukm8lr3ru7bqf9hrtje5anbc1/rijavoxuwutebegotepet.pdfIn PDF document text
  • http://praxis-greve-polley.de/web/editor/files/32304320321.pdfIn PDF document text
  • http://www.asap-recruitment.net/upload/file/84459927769.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0bf616468c---pifumirofat.pdfIn PDF document text
  • https://uzmanwebci.com/calisma2/files/uploads/xogefazabepuvevova.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210613202519348738xsymyb.pdfIn PDF document text
  • https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/52943a37c9b6bc9db15fbdf6a248bbe5/9281355594.pdfIn PDF document text
  • https://appvid.eus/userfiles/files/79505839588.pdfIn PDF document text
  • http://twilaw.com/files/files/4123413439.pdfIn PDF document text
  • http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/65964166238.pdfIn PDF document text
  • https://seikai.jp/free_images/files/segelomebemufavuvaxeve.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/85d9f71285f53a80be35bb4fae0f64ea/11778919066.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=hotel+continental+harwich+four+in+a+bedPDF 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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