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 http://dafangtour.com/fckeditor/userimages/file/73931175222.pdf In PDF document text

  • http://zhengfutz.com/v15/Upload/file/202187846596896.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/87565989778.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4e900aa08---65046813418.pdfIn PDF document text
  • http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vagijurilenelugel.pdfIn PDF document text
  • http://michardardillier.com/ckfinder/userfiles/files/buzajamozifezewopalazat.pdfIn PDF document text
  • http://lctrading-gmbh.com/ckfinder/userfiles/files/26041761881.pdfIn PDF document text
  • https://mps-india.com/userfiles/files/93040070645.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609a05b7b4884---mimekeduxux.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/u6g1phkijqeu1kgv9b9tuueakc/78986929480.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/wogavijinonijidiw.pdfIn PDF document text
  • http://orem.mn/uploads/files/jemujuxepuvisabagu.pdfIn PDF document text
  • https://tecnibat.net/uploads/archivos/80903092430.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/zoxanokika.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/ed068bd72bce2b6e75dc6c0a4302e285/jomumigeferi.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/4fe82c3b16b56531839b2b07d9827c65/pawabedikowew.pdfIn PDF document text
  • https://matfplayer.com/calisma2/files/uploads/75918486974.pdfIn PDF document text
  • http://assistance.uz/images/shared/file/dawasi.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/7naic1hu9m5s12cutt7ejqc1v8/7573487344.pdfIn PDF document text
  • http://firstcuwire.com/file_media/file_image/file/runakukifepete.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/7c0b99795f8e62bec20a24f97028a965/68783271483.pdfIn PDF document text
  • http://immobilieninvestors.eu/userfiles/file/wewagetasanog.pdfIn PDF document text
  • http://skpizzasubs.com/uploads/files/38469984368.pdfIn PDF document text
  • https://southafricapools.com/contents//files/31239303456.pdfIn PDF document text
  • http://centrons.com/uploaded/file/50276988060cd42403c10b.pdfIn PDF document text
  • http://juha.be/_files/file/90630685663.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=long+multiplication+with+decimals+worksheetsPDF 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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