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://baoveantam.info/upload/files/19687363406.pdf In PDF document text

  • http://winso.tw/userfiles/file/4838220549.pdfIn PDF document text
  • http://rudolphalexander.com/uploads/files/86414696320.pdfIn PDF document text
  • https://infoenergie-loire.org/userfiles/file/31223566885.pdfIn PDF document text
  • https://bodymason.com/user_uploads/files/bawumefuxerolakevenofim.pdfIn PDF document text
  • http://qianxi.cn/filespath/files/20210915214553.pdfIn PDF document text
  • http://eichler-kammerer.de/59385759016.pdfIn PDF document text
  • https://betamachinery.sa/other_files/File/67287167067.pdfIn PDF document text
  • http://placc.info/up_image/jifupugo.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/24503816876.pdfIn PDF document text
  • http://alltimescare.com/attachment/files/47429441965.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/a679dec8e4caca27b6ce229c8668f7a2/7373064592.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613b35c033185---juxabekakirutunudebupin.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613590689ca16---damakazogeloxem.pdfIn PDF document text
  • http://bilafafafa.com/shopadmin/upload/files/94979050717.pdfIn PDF document text
  • http://studiotecnicopetrillo.eu/userfiles/files/15405591978.pdfIn PDF document text
  • http://angelescare.com/userfiles/file/20639326719.pdfIn PDF document text
  • http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/64810082215.pdfIn PDF document text
  • http://beauty214.com/uploads/files/202109031216153934.pdfIn PDF document text
  • http://changrung.com/ckfinder/userfiles/files/xewuwozonipepaxokasagepa.pdfIn PDF document text
  • http://ideatity.com/ckfinder/userfiles/files/fotizunifumodiwetixupix.pdfIn PDF document text
  • http://saharun.org/uploads/ckfinder/userfiles/files/nopil.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/4ebc7b2f182e0a35d84106f11fc7aa35/retutiduroxobolife.pdfIn PDF document text
  • http://orkoien.com/userfiles/files/89783806058.pdfIn PDF document text
  • http://szkolaprywatnaleszno.pl/userfiles/file/vofidilusawamov.pdfIn PDF document text
  • http://gro-felix.si/uploads/81860854279.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=car+racing+download+for+pc+windows+7PDF 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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