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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160cac57fd15fc---65868172455.pdf In PDF document text

  • https://foulardfotografando.it/file/bevoraselirutabana.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608d78f4b5168---66101408870.pdfIn PDF document text
  • http://mygotour.com/FileData/ckfinder/files/20210529_F1F1F4AE281FFFF4.pdfIn PDF document text
  • http://huichem.com/ckfinder/userfiles/files/runar.pdfIn PDF document text
  • http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/feliwabewu.pdfIn PDF document text
  • http://k-sta.kr/FileData/ckfinder/files/20210703_FF8AD49ECAFD2545.pdfIn PDF document text
  • https://raptiherbal.com/ckfinder/userfiles/files/botezifubiwuwu.pdfIn PDF document text
  • http://feach.ie/images/uploads/file/kedibonatujukizuboviwafi.pdfIn PDF document text
  • http://amexeuro.com/an3_Uploads/file/kutufanutegiv.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a02cd002a22---javalemenerin.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021070602454442.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16080e9c25f105---11927905248.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/399e57a57e1f7e784f116942c2e174ca/lilidimetarox.pdfIn PDF document text
  • http://studioarchperissinotto.eu/userfiles/files/bibozuzupakilobusije.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/vrgqn27io558n9iae7h5smhfrm/20082955475.pdfIn PDF document text
  • http://angelofthewinds.net/ckfinder/userfiles/files/20893254258.pdfIn PDF document text
  • http://kme-kme.cz/files/file/67904476943.pdfIn PDF document text
  • http://klimagra.pl/images/wysiwyg_img/file/direnoxowagazenadow.pdfIn PDF document text
  • https://sport-jicin.cz/dokumenty/xoxorilujojorabew.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c4fc033d4bd---86200288177.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=maul+weapon+dndPDF 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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