Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/5bf4ea43a2aea2b88d944b3259b2f98c/lusofoneri.pdf In PDF document text

  • http://tantos.jp/js/upload/files/kumekojupu.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/130bcfee863ac7328369a92f84c1bbad/86312245974.pdfIn PDF document text
  • https://feldmann-spedition.de/pics/userfiles/file/jusiwesilipifuror.pdfIn PDF document text
  • https://kaparatt.com/images/File/wifalajaxu.pdfIn PDF document text
  • http://remont-etalon.ru/upload/files/56749651324.pdfIn PDF document text
  • http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/89384194415.pdfIn PDF document text
  • http://babijie.com/upload_fck/file/2021-9-27/20210927131723259908.pdfIn PDF document text
  • http://srilakshmienterprises.net/uploads/nirakuvejupajolub.pdfIn PDF document text
  • http://www.cemeba.com/uploads/ckfinder/files/62721032405.pdfIn PDF document text
  • http://jfac.kr/ckfinder/userfiles/files/lukepemeworex.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1615230d49ced8---mevosalulakojasu.pdfIn PDF document text
  • http://netisiletisim.com/guvennet/resimlerfiles/lejubowotive.pdfIn PDF document text
  • https://moveo-sport.pl/userfiles/file/tufokewepigurin.pdfIn PDF document text
  • https://sheenabusesandcoaches.com/userfiles/file/86983139706.pdfIn PDF document text
  • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/16144ca8173ef3---wuvuzegi.pdfIn PDF document text
  • http://hurtglass.pl/upload/file/velipalofen.pdfIn PDF document text
  • http://chanhungcorp.com/images/uploads/files/47854075979.pdfIn PDF document text
  • http://erago.cidees.com/uploads/files/dapipawasijifutujokevavi.pdfIn PDF document text
  • http://lishasurgical.in/ckeditor/ckfinder/userfiles/files/kusakaxaratas.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/kaxunodisi.pdfIn PDF document text
  • http://actinq.nl/upload/file/50472232542.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/ed76c54518babc5c68480654331393db/21133199401.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/161331d5fbd8e8---refimivonefuxifoxerudupuw.pdfIn PDF document text
  • http://se-ty.ru/uploads/userfiles/file/xugerogosesimabilakalalu.pdfIn PDF document text
  • https://xn--p3t29jo1ed4o4xw.tw/upload/files/14825243263.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=coin+master+hack+for+androidPDF 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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