Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 https://lodoshosting.com/calisma2/files/uploads/21625179858.pdf In PDF document text

  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614095cd67cdf---97212254102.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613996df5d99f---31388863192.pdfIn PDF document text
  • http://decamiones.com/userfiles/file/66031368847.pdfIn PDF document text
  • http://inteko-tula.ru/f/file/48208312971.pdfIn PDF document text
  • http://piotrkowska77.pl/zdjeciafile/79987734561.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/36153682813.pdfIn PDF document text
  • https://timminsrenovations.ca/file/WstKC9yQBBBuHAGa.pdfIn PDF document text
  • https://ctners.com/ckfinder/userfiles/files/39826253297.pdfIn PDF document text
  • http://donghozibistore.com/luutru/files/81847856449.pdfIn PDF document text
  • http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/35301672246.pdfIn PDF document text
  • http://dastone.ru/userfiles/file/54444711737.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/gajasobuj.pdfIn PDF document text
  • https://pasarantogel2.com/contents/files/6352910343.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/b2dafc5ae346424cafe111d2f6966cc4/43461012805.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/525426cf5d17ba6d9f5d117b5bf8e887/lubekekozisanelawaxavivo.pdfIn PDF document text
  • http://hb-hospital.com/file_upload/fck_upfile/file/riwunamazinezazadodejito.pdfIn PDF document text
  • https://hw-power.com/uploads/ckfiles/files/613a6ab6b8acd.pdfIn PDF document text
  • https://nakipoglugroup.com/upload/ckfinder/files/43966523216.pdfIn PDF document text
  • http://isgsrl.it/images/file/juramo.pdfIn PDF document text
  • http://adams-gold.ru/archive/image/file/86965670959.pdfIn PDF document text
  • http://vssteel1999.com/ckeditor/userfiles/files/desovapufijif.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/kusajufibegilugon.pdfIn PDF document text
  • http://onyx-innovations.com/assets/ckfinder/userfiles/files/97643736074.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=free+pdf+conversionPDF 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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