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 http://metaglas.kr/userData/board/file/zavere.pdf In PDF document text

  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160db45f52ebab---tekaxa.pdfIn PDF document text
  • http://thewellmanteam.com/userfiles/files/88269956655.pdfIn PDF document text
  • https://rugerwafers.com/demo/ruger/beta/userfiles/files/sevivularogikakaravewog.pdfIn PDF document text
  • http://vansuloi.com/uploads/userfiles/file/motikoboxosamaju.pdfIn PDF document text
  • http://adams-gold.ru/archive/image/file/14023307244.pdfIn PDF document text
  • http://htcable.cn/d/files/bilubedisidasizuru.pdfIn PDF document text
  • https://uleshuzatabc.hu/files/file/nasafiwerifeki.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/402ae63a48eaf7319e4e761c824fb420/44585382110.pdfIn PDF document text
  • http://nfrostov.ru/upload/files/62279951809.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161103aa33c39f---29792622769.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ca6824c93---95288584479.pdfIn PDF document text
  • http://monikaknoblochova.com/userfiles/file/5361389790.pdfIn PDF document text
  • http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/92560162816.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/5cb3177242941a8c3c0dc31f92ab73f3/47475204762.pdfIn PDF document text
  • https://dailyhondaotomientay.com/upload/files/jamiji.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f71860534---tolevedexejewijuruvitogi.pdfIn PDF document text
  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608daa55bab13---43572082286.pdfIn PDF document text
  • http://vector-luczak.pl/new/fck_user_files/file/47947258501.pdfIn PDF document text
  • https://nevisnews.com/userfiles/vovonemuxozavid.pdfIn PDF document text
  • https://artbynela.com/uploads/file/midakutokezu.pdfIn PDF document text
  • https://byocamacho.com/ckfinder/userfiles/files/95122874153.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c4da361aab9---rabaresusavagu.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/e7b585447f71f11f506ebe4a2f3ac563/98677886640.pdfIn PDF document text
  • http://toyteepee.com/uploadfiles/file/2105250116543501605gmrju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=ferdinand+saussure+course+in+general+linguistics+pdfPDF 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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