Malicious PDF — malware analysis report

Heuristics 6

• 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 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://usaoxin.com/userfiles/2021-7/file/gakeruroku.pdf In PDF document text

  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/966377926592878ae006f18b2967c162/pixepovumelirefafejeragak.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/42934739569.pdfIn PDF document text
  • http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/33422906912.pdfIn PDF document text
  • https://deitratech.com/userfiles/file/83355079362.pdfIn PDF document text
  • http://sutinlawkrabi.com/ckfinder/userfiles/files/59294632423.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e098222f5c1---13814177617.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad5e7d0ddf---95541146885.pdfIn PDF document text
  • https://nsaimmigration.com/userfiles/file/82562148971.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/fa04bff59e9b93953722a6002e9463f8/45069265845.pdfIn PDF document text
  • https://jewfri.kr/files/image/files/figide.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/31470f2cec5f79d080da21b0fa5de7bc/36246458983.pdfIn PDF document text
  • http://neoneofitou.com/ckfinder/userfiles/files/11098438293.pdfIn PDF document text
  • http://veitali.com/upload/files/vedozesigezibujog.pdfIn PDF document text
  • https://sardavetri.it/userfiles/file/dagukiziliwipifoxujiz.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb80c1e227---rovep.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b35470606---zonetek.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ead524e26---nuwineser.pdfIn PDF document text
  • http://sinoorchids.com/image/file/30572310585.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16091f92c4b14f---27838063662.pdfIn PDF document text
  • http://amphorabeautyclub.com/campannas/file/78520712933.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/66241b11234656147323369af84c582c/zudinumid.pdfIn PDF document text
  • http://alexsrmenchion.com/clients/b/bf/bf5401b25fe3457642f5a6f1150d5537/File/waxuvalunulodopirujonilur.pdfIn PDF document text
  • http://nhatminhtrading.vn/app/webroot/uploads/files/luruxesibapivak.pdfIn PDF document text
  • http://rustproofingottawa.com/userfiles/file/10120209919.pdfIn PDF document text
  • http://chapraptti.org/userfiles/file/27073805818.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=project+management+pdf+nounPDF 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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