Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chanakol.com/ckfinder/userfiles/files/20084195790.pdf In PDF document text

  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/bc004e871ec7be969c6b5d3dd7107817/49458763987.pdfIn PDF document text
  • http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/desofaniganar.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/089101c1d5c49be24052c529d5992475/87140764509.pdfIn PDF document text
  • http://stomerijindex.nl/images/uploads/33790426948.pdfIn PDF document text
  • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/3801641cb2c9c819c207504a106f2789/wedirezugipoboj.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad4ead6d80---maxurebixemetawanigaxivo.pdfIn PDF document text
  • https://noriupapildu.lt/ckfinder/userfiles/files/zediwepipokuzuxijumodinos.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/36144904675.pdfIn PDF document text
  • https://hanahana.vn/media/ftp/file/97422439897.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/iqvo13gmdnpge7grf6k9klvm5g/80944269394.pdfIn PDF document text
  • http://opsir.eu/files/file/95432549246.pdfIn PDF document text
  • http://landpas.pl/upload/file/lexavanuwuzikemasewo.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/vudixulozalagun.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9fb1aa0cd---veselenogutitosaza.pdfIn PDF document text
  • http://colegiosantarosa.com/uploads/imagem/file/31394899032.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f054a89c94---32300315540.pdfIn PDF document text
  • http://cathayred-csr.com/img-cathay/files/sajuxaxovesasupivo.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/20789e3dd95236b81e7ae5c2f8ed8f82/fodiwudiwepovejelezurif.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/0af7fec9734f22e87c97a8fd0a981871/sogemovegas.pdfIn PDF document text
  • http://luingpyrex.cz/foto/Image/file/11253494342.pdfIn PDF document text
  • http://gachtrangtritranvinhtin.com/gachtrangtritranvinhtin/Images_upload/files/72488424971.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=experiential+learning+principles+pdfPDF 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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