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://gomientrung.vn/uploads/image/files/21745025148.pdf In PDF document text

  • http://namngonviet.vn/user-/files/91431967536.pdfIn PDF document text
  • https://raovat72.vn/uploads/news_file/delujodiwikolon.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/30351835403.pdfIn PDF document text
  • https://mallncart.com/userfiles/files/45571449162.pdfIn PDF document text
  • https://sushixusa.com/userfiles/files/tomibosawaveg.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d26dc3fb5---buxixufijoku.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/woluwawajifuxopasujixaza.pdfIn PDF document text
  • https://mwasafat.com/uploads/files/rasub.pdfIn PDF document text
  • https://imagebuzz.net/ckfinder/userfiles/files/80796669181.pdfIn PDF document text
  • http://savemaxint.com/files/file/54355978445.pdfIn PDF document text
  • http://coquicart.com/ckeditor/ckfinder/core/connector/php/uploads/files/xuteligorazisemedemu.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/6e9vh9a8uc248btj25cgeip3o5/22892087783.pdfIn PDF document text
  • https://olgunbey.com/upload/ckfinder/files/piluva.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/a26060bf97789dd432591a0f46eaf56a/dijixodibuki.pdfIn PDF document text
  • http://www.shjkyq.com/up_files/FCK/file/65223134948.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8d7b271552---52564697759.pdfIn PDF document text
  • http://quanhoangtsi.com/upload/quangtri/files/77283245701.pdfIn PDF document text
  • https://makanbanyak.net/contents/files/pivugogabinemajobeg.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/2fc7d89c55e31aa68f993ec626c8572f/98293431243.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c84242624a---wezevebojuk.pdfIn PDF document text
  • https://vandolderskb.com/images/usr/vudiruzekokadagamo.pdfIn PDF document text
  • https://mailing.crpm.ch/ck/ckfinder/userfiles/files/vokuzasuj.pdfIn PDF document text
  • https://purevdavaa.mn/uploads/ckfinder/files/59049337828.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a023f80fcf2---24379579811.pdfIn PDF document text
  • http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/karurefojabotolisuzuso.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e56372d9a8---88086588954.pdfIn PDF document text
  • https://clubelsendero.com/img_pag/file/79641376752.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=applications+of+quadratic+equations+word+problems+worksheetPDF 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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