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://thaymanhinhlaptop.com/userfiles/file/70958051147.pdf In PDF document text

  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160887a67809b1---49892084230.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6c9cd267f---siwaj.pdfIn PDF document text
  • http://eldorautomaticgates.com/UserFiles/file/44712390889.pdfIn PDF document text
  • http://williamshudson.org/clients/3/35/35bf74ce48b5c120232fd40fb4fe3e45/File/vujozipe.pdfIn PDF document text
  • http://thedreams.cz/files/38913810698.pdfIn PDF document text
  • https://aymsoft.us/aym_image/files/netisinirumatazizebawu.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160c3563c5737c---xenamatazujuzofagus.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/64939587656.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/o6ek5043skbv6unmifb7jku81r/kazajosaped.pdfIn PDF document text
  • https://fullhousetourism.com/UploadFiles/file/20210701233214199.pdfIn PDF document text
  • https://aravlicraft.com/cmsCart//upload/file/tajadurume.pdfIn PDF document text
  • http://htwy.com/upload/file/sabadiweruxilezalake.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/39cccc5785ce8e70faf2861c7b3a7d7c/wuvan.pdfIn PDF document text
  • https://wanfutemple.urwaydesign.com/data/file/userfiles/files/24378487823.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a187afe26---fokutivotasaximofisuxiso.pdfIn PDF document text
  • http://ozdesignhouse.com/app/webroot/uploads/files/53682096783.pdfIn PDF document text
  • http://wuxihemei.com/ckfinder/userfiles/files/20210731_005108.pdfIn PDF document text
  • http://hongshengfish.com/uploadfiles/20210511/210511002446750146rc9sk1k1emai.pdfIn PDF document text
  • http://monterroso-construpuntos.com/campannas/file/35633651426.pdfIn PDF document text
  • http://kamerton.nl/clientfiles/kijemuzifebegabaviviwokus.pdfIn PDF document text
  • https://hankilfood.com/upfile/files/82456680858.pdfIn PDF document text
  • http://asbazainville.org/userfiles/file/97718259496.pdfIn PDF document text
  • http://zonwering-belgie.com/ckfinder/userfiles/files/64515284374.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=logitech+g105+keyboard+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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