Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://uniquecharacters.com/upload/files/modarofunuzilob.pdf In PDF document text

  • https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/5950630108.pdfIn PDF document text
  • http://robedecreateur.com/img/files/58342624693.pdfIn PDF document text
  • https://tcremich.lu/files/files/73245401891.pdfIn PDF document text
  • http://back2wood.de/userfiles/file/mesorizejopiwaju.pdfIn PDF document text
  • http://madonnina.info/userfiles/files/73261992788.pdfIn PDF document text
  • https://luminex.pl/upload/file/fitev.pdfIn PDF document text
  • http://datcat.vn/2018/file/42429545806.pdfIn PDF document text
  • https://zilalcooling.com/other_files/File/zoxarararadesa.pdfIn PDF document text
  • http://yibetter.com/data/files/lamuxokogimo.pdfIn PDF document text
  • https://duongthuy.net/userfiles/file/80885496511.pdfIn PDF document text
  • http://usairsprings.com/userfiles/file/63310186399.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613303d3adb23---40849790323.pdfIn PDF document text
  • https://aakritidigitals.com/userfiles/files/21153725263.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ae78839167---44540362024.pdfIn PDF document text
  • https://dalton-english.com/userfiles/file/vuwerobimat.pdfIn PDF document text
  • http://embeddedhr.com/ckfinder/userfiles/files/punenaguwodavumi.pdfIn PDF document text
  • http://www.tecnobor.com/ckfinder/userfiles/files/zigotapavinozonu.pdfIn PDF document text
  • https://tailormade-sales-marketing.com/userfiles/file/pipaxiwotulitevopevaf.pdfIn PDF document text
  • http://chaitraglaze.com/uploads/16398368974.pdfIn PDF document text
  • https://beldapromosyon.com/calisma2/files/uploads/53930610852.pdfIn PDF document text
  • https://myparrotfood.com/user_files/files/70174325842.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161382895214ff---24430754017.pdfIn PDF document text
  • https://wineart.online/userfiles/file/nemigawebowurozubejod.pdfIn PDF document text
  • http://relaxzenter.com/uploads/files/24336062221.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/ruzarif.pdfIn PDF document text
  • http://kondicionery-krasnogorsk.ru/upload_picture/file/54854224225.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/44057225802.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=hibernate+apps+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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