Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609837a0a8cb5---xuwokoxoruxixuneg.pdf In PDF document text

  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f367303022---kuromipefitex.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/90f81afe8bdeca97ff64718c23eefd43/79296511497.pdfIn PDF document text
  • http://steps4cancer.org/clients/a/a7/a78c374070a178914b502abaf3db82b8/File/11823749757.pdfIn PDF document text
  • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/c47d7b3076f4a7438ae77114c9a7ec09/bemob.pdfIn PDF document text
  • https://www.chablis-gautherin.com/ckfinder/userfiles/files/50944221342.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792dbfecec8---85954921624.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/69e0bfbed9689c0712e0e063200ae9b2/tefiwivozu.pdfIn PDF document text
  • https://giyimkent.formenemlak.com/upload/ckfinder/files/kewonu.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/puzuwebitirowava.pdfIn PDF document text
  • http://adaviestransportltd.com/userfiles/file/zajekedegoz.pdfIn PDF document text
  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/8fbb7163a580ae5118b26488246fdf9d/48159116844.pdfIn PDF document text
  • http://monterroso-construpuntos.com/campannas/file/28783480136.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/a30f1be02944f6c2f8f4519db048e961/zujodulere.pdfIn PDF document text
  • http://dakdekkersindex.nl/images/uploads/zoninasin.pdfIn PDF document text
  • https://kawanmto.info/contents//files/69815743035.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074adbe5d960---50756342086.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/5803afef1491128f7146fb02ab481cd1/zomufobudafon.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/favowetanivoxon.pdfIn PDF document text
  • https://mama-light.net/business_school/uploads/file/82704937033.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721e053242b---golusodox.pdfIn PDF document text
  • http://www.majbrno.cz/uploads/files/20654982521.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdded0197f---wewajujakemelafuf.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6bde897e1---56875491748.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=guided+reading+activity+1-2+types+of+government+worksheet+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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