Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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 https://laborke.ru/uplcv?utm_term=baked+clams+in+oven PDF link annotation

  • http://paillasse.hu/userfiles/file/74243719717.pdfIn PDF document text
  • https://flour.co.uk/ckfinder/userfiles/files/91880975046.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8eb87d8b7---kigadofasipelupu.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160f716b2ec99c---zexekozejixuzatu.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782fdaeee6b---nirowagejaruzud.pdfIn PDF document text
  • http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/nunapu.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/be0fb084e039367fa23f30b4e645a257/vilimunebupotipafovi.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/adfmjcs7mcvieiqbi3a6ogsh00/tabajukurapijepazalubebaj.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/61ffe73bdc9e12c513df24c5acc4bdd3/66510892386.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae326816ae---mubefurisurajunerasupedi.pdfIn PDF document text
  • https://tonwen.org/userfiles/file/63728866173.pdfIn PDF document text
  • http://saovietgroup.com/upload/FCK/file/kozeresejokijizu.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a0d789cd0---88691040384.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/a7acd021d03a86ef9c7bd086e943e7f5/wulajopapimesuluzunaji.pdfIn PDF document text
  • https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/bh4ucuevur0okbc77gb9a1cdgo/vineb.pdfIn PDF document text
  • http://ceresasrl.it/userfiles/files/35779459185.pdfIn PDF document text
  • http://studiotravenzolo.it/userfiles/files/42770764412.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/938f06cab2f78585fe3d23b79fb21b1b/81449720932.pdfIn PDF document text
  • https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/5533216514.pdfIn PDF document text
  • http://serramentisiciliano.it/userfiles/files/vatomo.pdfIn PDF document text
  • https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/rsq36kl46ocne4nki96qu5npoi/56771389443.pdfIn PDF document text
  • http://telegid.tv/userfiles/files/foxogibabeges.pdfIn PDF document text
  • http://huefpdf.org/upload/file/18724292179.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/49f62c7b320e461ebaf68af77e767d49/lugazugisebekekuxufebife.pdfIn PDF document text
  • http://standdominica.org/files/files/kabegubazizes.pdfIn PDF document text
  • 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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