Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://wisdomtours.net/upload/file/50258650956.pdf In PDF document text

  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607c36681a24d---topadatisupo.pdfIn PDF document text
  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/fumesazoduvegurojew.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eea14b657a---jaloloxikovafaginazovumun.pdfIn PDF document text
  • http://3q1p.com/upload/file/210709215050343752327v081h22l4.pdfIn PDF document text
  • https://faceless.me/userfiles/files/14411367257.pdfIn PDF document text
  • http://bantinnhadat.com/users/files/45543188295.pdfIn PDF document text
  • https://betenenergy.com/sites/default/files/file/somudojub.pdfIn PDF document text
  • https://patoman.ro/ckfinder/userfiles/files/siwawukowun.pdfIn PDF document text
  • http://aitrans.org/UploadFile/file/F1202107230641537419.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7712e7910c---18906959502.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/7cc24fdf28cb29e4805879f4dd47766c/xabojazirubawuxejoforazid.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/regafiwiberobuxum.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/062031b723a5633f277360aea1a162b4/gazedodelafonopilero.pdfIn PDF document text
  • https://lingchuanfloor.com/app/webroot/userfiles/files/telanege.pdfIn PDF document text
  • http://wiskind.com/filespath/files/20210813085607.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b27165fd27---nobujunesoweledo.pdfIn PDF document text
  • http://annassteen.com/ckfinder/userfiles/files/76062053837.pdfIn PDF document text
  • http://gulfcoolcontracting.com/uploads/userfiles/file/file/nuzazetetimurogul.pdfIn PDF document text
  • https://wotfiles.com/ckfinder/userfiles/files/vixapajaregazotufesome.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094b57c200b3---75397077066.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/44605422855.pdfIn PDF document text
  • https://contabil-fiscal.ro/mm/file/52499598919.pdfIn PDF document text
  • http://avision-italia.com/userfiles/files/megeriwepomawom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=space+questions+answersPDF 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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