Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://php-lounge.de/userfiles/file/58828911355.pdf In PDF document text

  • http://csc0851.com/userfiles/file/20210807060717_ix4z47.pdfIn PDF document text
  • https://taichielite.com/louis/taichi/ckfinder/userfiles/files/wejiwifure.pdfIn PDF document text
  • https://pakianco.ir/data/image/uploads/news/files/tafogomuwajowimovefo.pdfIn PDF document text
  • https://zippy-inc.com/app/webroot/userfiles/files/gifulezi.pdfIn PDF document text
  • http://divorce-difficile.fr/userfiles/file/pubetegibubitem.pdfIn PDF document text
  • http://d-a-s.cn/userfiles/file/wosona.pdfIn PDF document text
  • https://cissud.it/uploads/ck_editor/files/xizemokewef.pdfIn PDF document text
  • https://oncallanatomist.com/ckfinder/userfiles/files/zotonosominubuwegabipe.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9dfd565da0---7294113108.pdfIn PDF document text
  • http://fcraregistration.com/UploadedData/file/10069296918.pdfIn PDF document text
  • http://oppedisanorobertosrl.com/userfiles/files/jolidakoxoriwulobavus.pdfIn PDF document text
  • https://kubermatkaplay.com/ckfinder/userfiles/files/jaxatomide.pdfIn PDF document text
  • https://gastriklandsbf.se/UserFiles/files/93597439302.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/9ae0c51ad0d879b2af467876dc0ae49d/daxagalusapogon.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c14e752234c---36844992122.pdfIn PDF document text
  • https://agrocare.ro/ckfinder/userfiles/files/22588253778.pdfIn PDF document text
  • http://tidomusica.com/uploads/files/202108291546062976.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed0e5c9a51---82817923497.pdfIn PDF document text
  • http://logistra.fr/ressource/site-image/files/fuzokow.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607507beb130a---fubam.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/e01d7e592b79c5a9f5e4fb4b0667fd73/88908417047.pdfIn PDF document text
  • https://webmenuplus.com/images/file/63998189825.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=soft+ticks+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 extracted file (font_00_sfnt_off0000cdca.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000cdca.bin)

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