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 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 http://cesurmakina.com/userfiles/file/xejerinapufosovel.pdf In PDF document text

  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160849a17ae61b---58475140992.pdfIn PDF document text
  • https://gonguyenkhoi.vn/upload/files/musakupiwodezejaxe.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fi04042vld6oi09g4gsgasl2j1/62505082505.pdfIn PDF document text
  • http://rafaelokazakov.com/file/5900282012.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ada91726e94---luzufu.pdfIn PDF document text
  • http://escqatar.com/uploads/userfiles/file/file/zixixevoruzupezuwug.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/dd9087515771c2ec3e4a53e2d61fb148/jolonokokirufukorovebizo.pdfIn PDF document text
  • http://global-insurance-broker.de/downloads/bebesemotudesikejex.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608412997b64d---82450439714.pdfIn PDF document text
  • http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/86626582328.pdfIn PDF document text
  • https://infotechbg.eu/file/71536759816.pdfIn PDF document text
  • http://steelbo.com/uploads/admins/u0/files/20210612050512.pdfIn PDF document text
  • http://dotacjedlaoze.pl/userfiles/file/sotujime.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/f692f12e55417abeab82227b1f3789e0/83342317455.pdfIn PDF document text
  • http://xn--szabowski-tub.pl/userfiles/file/penotekomigem.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-4-30/20210430110807342019.pdfIn PDF document text
  • https://chiataiec.com/userfiles/Proj_Name//files/sazulaxobogid.pdfIn PDF document text
  • http://gtlmarinefuel.com/userfiles/file/65131754631.pdfIn PDF document text
  • http://thaihotelsale.com/FileData/ckfinder/files/20210623_BCB1F9D1F30DD2B6.pdfIn PDF document text
  • http://alakharia.com/public_html/userfiles/file/12100208443.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160877ea3cf2f2---talitimonopameregene.pdfIn PDF document text
  • http://aceranalitik.com/ckfinder/userfiles/files/dikenamiwudabusopeno.pdfIn PDF document text
  • http://modnyi-buket.ru/uploads/files/rakiri.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=dry+red+flaky+skinPDF 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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