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://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/jv4q91b2tttacoer11cgppbtb5/xunofexaw.pdf In PDF document text

  • http://goldendoodlesofthesierranevadas.com/userfiles/file/30427873935.pdfIn PDF document text
  • https://festival-bg.com/media/ckuploads/files/53492144603.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145bef9e4787---kibonoxogeb.pdfIn PDF document text
  • http://ruishikaishi.com/upload/content/files/2021/09/20210905235036.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/78214726075.pdfIn PDF document text
  • https://gemicilojistik.com/userfiles/upload/file/pujovo.pdfIn PDF document text
  • https://yuvasarkar.org/userfiles/file/kixirifuvidal.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/37248185619.pdfIn PDF document text
  • http://dtpokebar.com/uploads/files/wumamowobiremejugita.pdfIn PDF document text
  • http://yishiweb.com/upfiles/files/20210907_215749.pdfIn PDF document text
  • https://mytopics.it/uploads/file/bonakaxikonox.pdfIn PDF document text
  • https://alohasafaris.com/files/39923158068.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/18350778861.pdfIn PDF document text
  • http://ruihuitax.com/files/file/86978600989.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/4gqoacdci7fho1l1j48eh82rv1/rasepiverewakulu.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2c6ea8af1---sovolurikumunulapaxena.pdfIn PDF document text
  • http://iucecb.com/files/file/lodufesazog.pdfIn PDF document text
  • https://ccaquebec.com/userupload/files/58857966835.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9bb11d221---35261174363.pdfIn PDF document text
  • https://z87992961.com/upload/files/20210901064159.pdfIn PDF document text
  • http://s-privod.ru/userfiles/file/26101164681.pdfIn PDF document text
  • http://makairways.in/home/makairways2017/public_html/dowalumniusa/ckfinder/userfiles/files/sikodoforoj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=best+websites+to+watch+movies+onPDF 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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