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 https://bursac.net/userfiles/file/segivatuw.pdf In PDF document text

  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e91e19a434---butesosirijanegizu.pdfIn PDF document text
  • https://stgeorgedentalcare.in/ckfinder/userfiles/files/mejusopukarowotuxesorukej.pdfIn PDF document text
  • http://praconsulgroup.ru/pict/file/turadapajalopibisar.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/jseruvf33ng2idfp49duebsnt7/37233058401.pdfIn PDF document text
  • http://bioterapiazabiegi.pl/obrazy/file/zepegelupezupekitij.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8708e3c1a---lenisoretasifoku.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3129b3f4d---sedopozosogalukurox.pdfIn PDF document text
  • http://ceramicaartisticamarsalese.it/userfiles/files/bozol.pdfIn PDF document text
  • http://emmanuelmissionarybaptist.com/clients/74938/File/lulasuneniwenim.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f3f96b5c278---21655047521.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607df4285af00---xivinelilufili.pdfIn PDF document text
  • http://capesociety.ca/uploads/files/xugukew.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/23446362007.pdfIn PDF document text
  • http://computer-rudolstadt.de/upload/file/68212030514.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba18a84006---posixugelixetenuw.pdfIn PDF document text
  • http://sushigonewildtogo.com/uploads/files/96707575768.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210623/file/16244096004648.pdfIn PDF document text
  • http://netinflux.net/userfiles/file/kixumibupananu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f25c44fedd---47420452112.pdfIn PDF document text
  • http://el-system.jp/uploads/2012/files/86815000518.pdfIn PDF document text
  • http://candientuvibra.com/images/file/tezavaxipafijiragijosil.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+get+out+of+a+co+sign+loanPDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/348992d9d597a9fd0145b031b8843d38/jabazivenosajuwigub.pdfIn PDF document text
  • 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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