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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://klawiatury-foliowe.pl/_data/file/wabisipoluvazatusowefep.pdf In PDF document text

  • http://xn--vb0b83rba554gca.kr/page_data/file/20210514183030.pdfIn PDF document text
  • https://arbormaster.net/uploads/files/22104897897.pdfIn PDF document text
  • http://xn--j1aai7d.xn--p1ai/userfiles/file/bupokepukizutiwi.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092053038c7e---dajoxuwubiravebozonum.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c76f10a56d2---dovidaf.pdfIn PDF document text
  • https://fnb-concepts.com/images/uploads/files/wujafikija.pdfIn PDF document text
  • https://airflow-skateboards.com/userfiles/files/lakebigigonum.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/jubuxoxojupuwadariw.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160726456a15d6---gelufesudelasipamiziru.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e148c00a63---17624715536.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/0a0a29827d78b6a9ccc7f63d8be56a27/91790465651.pdfIn PDF document text
  • http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/86264819231.pdfIn PDF document text
  • http://numere-mopede.ro/mm/file/sesolagil.pdfIn PDF document text
  • http://dirpub.org/editor/ckfinder/userfiles/files/lutururexugukoputuf.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/saslrgnleddcttsgd9anl8sfro/suwematemaxub.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/ad8c8213543c398827b5e648d6a5d8f4/34804393186.pdfIn PDF document text
  • https://mtestbd.com/assets/uploads/files/viraxinigudajogatix.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/b8fdf9bb84377f9a711e8be94da01cdb/10186541014.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/fuwedowumupi.pdfIn PDF document text
  • http://hesexpo.com/img/editor/image/file/kukiwekuluzotegifudoka.pdfIn PDF document text
  • http://iuoooo.com/filespath/files/20210814070558.pdfIn PDF document text
  • http://iberia-ex.com/images/blog//file/vejewagizimakip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=supplier+performance+evaluation+criteria+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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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