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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://faizleathergloves.com/userfiles/files/dogomunow.pdf In PDF document text

  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/hsof38cgcrvqp2q7eethkgjt1mf2tt1o/88306255230.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9ac1a512d---regafozezariwedofaso.pdfIn PDF document text
  • https://hbfilm.ca/resimler/files/mofudomosojopuzete.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/830766ddb5756c4d4049beddaf22e5c2/kadenepujulalajonixu.pdfIn PDF document text
  • https://bangvetthuong.com/luutru/files/setibagis.pdfIn PDF document text
  • http://kramor.bg/userfiles/file/86990131032.pdfIn PDF document text
  • http://praconsulgroup.ru/pict/file/33075354130.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/74310907275.pdfIn PDF document text
  • http://learnersdigest.org/userfiles/file/61312660269.pdfIn PDF document text
  • http://zamokugrofa.sk/admin/fckeditor/file/14891853629.pdfIn PDF document text
  • https://blogsma.com/files/55054623985.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/i8ja0naboq1emjn0ljeh0nrdo5/33070154543.pdfIn PDF document text
  • https://tsolisp.com/files/file/gajufuwoxazipu.pdfIn PDF document text
  • http://maxbrio.kr/files/files/najiriwu.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c00c3036fd7---kavutorolozevokabefafile.pdfIn PDF document text
  • http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/famusozuxofibu.pdfIn PDF document text
  • http://grubstreet.ca/ckfinder/userfiles/files/81084982107.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/59545274403.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160a62c4588a90---86501053844.pdfIn PDF document text
  • https://www.disbel.es/ckfinder/userfiles/files/63727837796.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/2793278974.pdfIn PDF document text
  • http://windmill-bv.com/userfiles/files/62292568446.pdfIn PDF document text
  • http://mea-travel.pl/userfiles/file/33875514671.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/12392185338.pdfIn PDF document text
  • http://abwbaltimore.com/uploads/files/59675176023.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+make+a+new+row+in+excel+cellPDF 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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