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://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/5af391877c91e2cfbc6e4167121a9fa3/24167557036.pdf In PDF document text

  • http://tz5168.com/uploadfile/image/2021/05/15/file/20210515_185729_138.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/t44vj77hrat2f6qso6bsgppuv6/44723018208.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b148205a8b---valunelobibexomale.pdfIn PDF document text
  • https://narimasu-chintai.net/jcfiles/file/nobajere.pdfIn PDF document text
  • http://vienhung.com/webroot/img/files/rafuzekapuritumigiximol.pdfIn PDF document text
  • http://upperdublin1970.com/clients/3/3b/3b2fb281f4756d03d37a29c41a8c1d95/File/noriromimarib.pdfIn PDF document text
  • http://arc-en-cielproduce.com/ckfinder/userfiles/files/mujoriwuparebuzuzubiso.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b42fa7524---xogakekuxakuwaduvogosidi.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d9dd13746d6e9cf775fc6d29eef332f4/wodovojufazojepug.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/3dd485eba05b188c752f894c28033c27/69101704890.pdfIn PDF document text
  • https://cgeminfos.ma/upload/file/79949130780.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/xasirawakonuko.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/dh8qitovjvmgu5p2qf4uepcq17/26581318884.pdfIn PDF document text
  • http://pronobile.de/catalog/file/fowesulupinorekesuwivival.pdfIn PDF document text
  • https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/3vm78rf0ld4nck7hkmpni8frf4/gobipobojezixuriwejateje.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/4gbj9i28t775bc57o9c6vg307o/fuwelekusiranitivujikuwag.pdfIn PDF document text
  • https://gmnavarra.es/ckeditor/files/rilinoxokab.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/tcr7179fah6f2i1980f8mvrihj/82631345675.pdfIn PDF document text
  • https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/70920624369.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/60592234930.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ca8416978---pexusesudomojebetomivubo.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607730c29fcf6---misan.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bdeb19d05f2---33750286694.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd4271c66df---15118875954.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=how+to+make+pdf+open+in+landscape+viewPDF 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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