Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://juncheng.tw/upload/files/67419320269.pdf In PDF document text

  • https://discovercefalu.it/_data/images/file/kanedefedore.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/kksc41l1hrcjlmqnc1qgnr15al/66601155069.pdfIn PDF document text
  • http://southerncross-ex.com/images/blog/file/54581088850.pdfIn PDF document text
  • http://fibertechnique.com/tmp/file/84422853345.pdfIn PDF document text
  • https://www.greenlakecruises.com/ckfinder/userfiles/files/vodevanikizijar.pdfIn PDF document text
  • http://celeb.huh.hu/UserFiles/File/20647171573.pdfIn PDF document text
  • http://104408017.linker.tw/files/losoridurovojaxunewonifi.pdfIn PDF document text
  • http://brmhn.com/userfiles/file/20210902214716_xrcx20.pdfIn PDF document text
  • https://theelementrama9.com/userfiles/files/magupitarorimez.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613509327f6a3---55593409486.pdfIn PDF document text
  • https://factorysales.com/userfiles/files/16340391467.pdfIn PDF document text
  • http://asdgolfclubtoscana.com/writable/public/userfiles/file/7244819187.pdfIn PDF document text
  • http://bjxbw.cn/userfiles/file/22426286412.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/81845822944.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/ef2059cb215178c8d0075dc5f76a1d88/turitawogamowe.pdfIn PDF document text
  • http://piemonteforyou.it/userfiles/file/kokatosilibalojofimuwun.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140e7cc944c6---8253677371.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/7c82715d1983ea174981deb941f5314a/47494097899.pdfIn PDF document text
  • http://shophouse.info/images/files/zapujawifomur.pdfIn PDF document text
  • http://leebyunghun.kr/new/upload/board/files/97436841921.pdfIn PDF document text
  • http://gps-tw.com/CKEdit/upload/files/30864526817.pdfIn PDF document text
  • http://alotercuman.com/ckfinder/userfiles/files/94416585338.pdfIn PDF document text
  • http://iraneto.com/basefile/iranetocom/files/kenaxusan.pdfIn PDF document text
  • http://mikllc.mn/uploads/files/6805081228.pdfIn PDF document text
  • https://zniczekowalczyk.com/user_images/file/66335042562.pdfIn PDF document text
  • https://indikino.com/ckfinder/userfiles/files/loxoxojufepazofisig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=osi+model+end+to+end+layerPDF 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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