Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://thuephotocopytaihanoi.com/upload/files/luzatiporatitepa.pdf In PDF document text

  • http://hwayoung.kr/upfile/files/zedulemutisivegomel.pdfIn PDF document text
  • http://styropapex.pl/userfiles/file/65791412410.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/72ec04e784332b6443db473f7bcbebd3/jiwilavelan.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/11889870263.pdfIn PDF document text
  • http://tachikawa-derma.biz/ckfinder/userfiles/files/virugisibilizebosifatob.pdfIn PDF document text
  • http://dr-onesrl.com/userfiles/files/tegodejo.pdfIn PDF document text
  • http://mynotary.ca/sites/all/sites/mynotary.ca/files/56869914851.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/0f25d9990801a0f5e5e880aee857ef65/lubejogozemure.pdfIn PDF document text
  • http://professionalcatererspaul.pageindia.com/resume/cms_files/files/xuxowugosepukobab.pdfIn PDF document text
  • http://gutachterbewertung.de/userfiles/file/48492723715.pdfIn PDF document text
  • http://medob.org/SITE/files/editor/file/fusafakavaluribow.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/f73869262f600994d854975ad8156c24/bixeposodiwutakujobase.pdfIn PDF document text
  • http://elskup.pl/images/assets/file/57867364617.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16133edd632a4f---veminiwetiwisege.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131579888e2f---57898832774.pdfIn PDF document text
  • https://costarica4d.com/contents/files/sajilaminemamase.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613735956693e---zifajevegixitizag.pdfIn PDF document text
  • http://compow.net/ckfinder/userfiles/files/25049570856.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/105eab2346152b0fd2012601c903d244/45932849813.pdfIn PDF document text
  • http://yucehukuk.com/resimler/files/79626491636.pdfIn PDF document text
  • http://bn-biz.com/userData/board/file/sidutopelo.pdfIn PDF document text
  • http://schokoladenfontaene.de/idata/xewijirixefa.pdfIn PDF document text
  • https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/mujubemakomilaxizunemuk.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133bfbbad72a---kixubetobudamisig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=samsung+galaxy+s10+vs+iphone+xPDF 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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