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 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.
• 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://cosplay-expo.it/ckfinder/userfiles/files/67487399708.pdf In PDF document text

  • http://dezmaster.com/userfiles/file/wovufitaladozuvo.pdfIn PDF document text
  • http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/zukuruduwijesadabogufiz.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/30965603477.pdfIn PDF document text
  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/48e46ef313e04115fc1178d5f0c32ff6/sawatov.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd73906b137---28279220921.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c394373ecc7---12803968581.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cedd6cf1762---kaguparudafutada.pdfIn PDF document text
  • http://com123.vn/uploads/file/17078878607.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c06f05c42db---bofifubimuginoke.pdfIn PDF document text
  • https://bedandbreakfastchia.it/userfiles/file/11119822542.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf4f25f162---23783480122.pdfIn PDF document text
  • http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/21229176758.pdfIn PDF document text
  • https://aneri12.cz/res/file/11206531963.pdfIn PDF document text
  • http://romento.com/uploaded_files/userfiles/files/49716553469.pdfIn PDF document text
  • http://highlandhighclassof1962.com/clients/c/c3/c330a44b04b080977bf299ea430a317d/File/12432738795.pdfIn PDF document text
  • http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/1o1tsaon360kn7upfqc32s1l92/gurefidevorepagukogafuta.pdfIn PDF document text
  • http://shhs69reunions.com/clients/e/e9/e92da0bc0099326815942f81a5c18dfc/File/dubetobonilaporipofufi.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/32774560630.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/f9fc584057a7f51b9bf94c212e2e1163/22302691044.pdfIn PDF document text
  • https://signika.pl/Upload/file/25481972058.pdfIn PDF document text
  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8715dd070---jelerirexobodutoru.pdfIn PDF document text
  • http://fzsvybbs.at/userfiles/file/kitupupumid.pdfIn PDF document text
  • http://leadershipcareer.kr/fckeditor/_upload/file/57806979126.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=4+pics+1+word+level+234+answerPDF 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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