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://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161423583df1b6---robelojofanijagisawa.pdf In PDF document text

  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141074ac669d---60320013781.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e7e1ab1d250d81d2c7c580f23fe00488/43626992731.pdfIn PDF document text
  • http://studiotecnicolamanna.com/userfiles/files/4650458250.pdfIn PDF document text
  • http://austria-ex.com/images/blog/file/pisit.pdfIn PDF document text
  • https://produktybhp.pl/pliki_user/File/sagenusaxef.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/ba9deb811e5794c9f11e10172796c2d2/86984794117.pdfIn PDF document text
  • https://billionbosses.com/ckfinder/userfiles/files/50653577908.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///biduvefikarefeduki.pdfIn PDF document text
  • http://adice-area.com/pictures/files/43194162519.pdfIn PDF document text
  • https://lifeteacher.tw/uploads/files/202109062317305393.pdfIn PDF document text
  • http://www.casasemio.com.br/ckfinder/userfiles/files/32800960557.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161432ba0b593e---72610616059.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/15500419725.pdfIn PDF document text
  • http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/61207742966.pdfIn PDF document text
  • http://www.omt.ntou.edu.tw/ckfinder/userfiles/files/58152319240.pdfIn PDF document text
  • http://cmuniontravel.com/userfiles/file/77143032250.pdfIn PDF document text
  • http://okna-kurska.ru/page_edit/_samples/userfiles/files/kitigedapefumi.pdfIn PDF document text
  • https://btcauction.vn/hinhanh/file/87478504919.pdfIn PDF document text
  • http://hum-lucknow.org/test/fckeditor/file/68180546085.pdfIn PDF document text
  • http://qzgj.cn/upload/file/pafoxuvizodewumemurumud.pdfIn PDF document text
  • https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/60673595600.pdfIn PDF document text
  • http://dinobajka.pl/Upload/file/95669581249.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=final+fantasy+3+walkthrough+super+nintendoPDF 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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