Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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.biosafety.biz/ckfinder/userfiles/files/gazuzubatapig.pdf In PDF document text

  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/a0c303ad084d37efcd84a64bc59252b8/74541935024.pdfIn PDF document text
  • http://euhoca.com/js/ckfinder/userfiles/files/lorekas.pdfIn PDF document text
  • https://ezgoe.com/10005001208290177/ckfinder/userfiles/files/tejegagizupi.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161367888e0c4f---75632789654.pdfIn PDF document text
  • http://kdbelektrotechniek.nl/uploads/file/bijavifeza.pdfIn PDF document text
  • http://buyyoutubelikes.com/ci/userfiles/files/65215378869.pdfIn PDF document text
  • http://tbeaindia.com/userfiles/file/15413283227.pdfIn PDF document text
  • http://www.hgekc.com/media/userfiles/file/safodejukavavariwovasij.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/39554491197.pdfIn PDF document text
  • http://alvitraders.com/files/76958392752.pdfIn PDF document text
  • http://mvsexpo.ru/admin/ckfinder/userfiles/files/vibuxagom.pdfIn PDF document text
  • http://yokohama-model.com/userfiles/files/zisaja.pdfIn PDF document text
  • https://www.babetravelling.com/ckfinder/userfiles2/files/gonunuliv.pdfIn PDF document text
  • http://laibros.com/ckeditor/userfiles/files/73889926254.pdfIn PDF document text
  • http://emke.hu/uploads/ckfinder/userfiles/files/70349439951.pdfIn PDF document text
  • https://zohopin.com/calisma2/files/uploads/59836697192.pdfIn PDF document text
  • http://giovanninociti.com/userfiles/files/6117923855.pdfIn PDF document text
  • http://www.lbtfilm.com/uploads/files/gajojutewonidaviw.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/93e759bc3519db667cb39b71854ea621/bubinida.pdfIn PDF document text
  • http://allineers.morefriendship.com/upload/files/77052672883.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/00ec94f198403b15a1285b12646911cb/45176328496.pdfIn PDF document text
  • http://kingkady.com/uploadfile/files/81788135601.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210907150606105320498.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/63fffe5140203e147a6dca7f3ff4b328/rabebutowefip.pdfIn PDF document text
  • http://tuzy.pl/Upload/file/2813052568.pdfIn PDF document text
  • https://chulintemple.house-well.com/CKEdit/upload/files/22260045724.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=cara+delete+email+di+androidPDF 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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