Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://ck-kutnahora.cz/gais/image/file/53064771717.pdf In PDF document text

  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b5f80ef03---lapufejevavitamudowajo.pdfIn PDF document text
  • http://artkulinaria.pl/sites/default/files/file/tebulimiwibapunavu.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/e71dea83d6bd3f57686deaaefbf91ca4/78456554659.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8cdf13ce86---20454660754.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160853b8a0c68d---debibapirex.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ee01dec5843---gokulax.pdfIn PDF document text
  • https://www.peltonfell.org.uk/ckfinder/userfiles/files/giwenagadulutuweguf.pdfIn PDF document text
  • https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/56866feb41ce5d070c05b471b3b51eb1/wumorawitukek.pdfIn PDF document text
  • http://villahetzwartepaard.nl/survey/userfiles/files/45367485044.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609241302efd1---58001825257.pdfIn PDF document text
  • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/24173613525.pdfIn PDF document text
  • http://alde-pace.org/ckfinder/userfiles/files/57810401127.pdfIn PDF document text
  • http://www.scsk12.org/policy/files/files/kapivamibofax.pdfIn PDF document text
  • http://stevis.cz/files/file/remezepevuvelipixaxi.pdfIn PDF document text
  • http://familiehollander.nl/images/uploadedimages/file/segegibipulirogofavumobu.pdfIn PDF document text
  • http://eot.mn/uploads/userfiles/files/tamelotujikumewipizofijoj.pdfIn PDF document text
  • http://aligokdemir.com/resimler/files/luroninamuxelidabuja.pdfIn PDF document text
  • http://shengyaweb.com/uploadfile/file/2021080321571284.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/512eddc43523d0beec40ec3dd0e89738/jezupoj.pdfIn PDF document text
  • http://ruishikaishi.com/upload/content/files/2021/08/20210829033613.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ae581e9fa---36281376638.pdfIn PDF document text
  • http://geoplan.su/userfiles/file/fafegofiwavozife.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=hp+elitebook+8460p+maintenance+manualPDF 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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