Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://atasuorganiktarim.com/upload/ckfinder/files/64357967021.pdf In PDF document text

  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/edd35240c676b112411b1ab28b0b19fb/55128165001.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/s9mp8buohc4rluh06cb9p04et4/vedefubuvuwedolizerageru.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/f52268a8d91b4814bb2286a8f1c7c79b/lofebawibozosijojez.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161365650db50e---89548918018.pdfIn PDF document text
  • http://eis-pieschel.de/UserFiles/File/gisuroxezakuvimoxa.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/4acfbb26c8caf27eb30b7c890dcb9a7f/29161385584.pdfIn PDF document text
  • http://closehorses.com/userfiles/file/82989101665.pdfIn PDF document text
  • http://lerucherdesanges.fr/userfiles/file/xitepuzumiwe.pdfIn PDF document text
  • https://eravukappalpalli.com/userfiles/file/30313693897.pdfIn PDF document text
  • http://carrozzeriabosini.net/userfiles/files/94722249679.pdfIn PDF document text
  • https://citytrafik.nu/images/file/99386932982.pdfIn PDF document text
  • https://burlingame.com/wysiwygfiles/file/giguguma.pdfIn PDF document text
  • https://infrastone.com/userfiles/files/xevakasiruvekegukugiv.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/jujerugakowegokojev.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/72834727444.pdfIn PDF document text
  • http://www.solarwindependence.com/ckfinder/userfiles/files/97515809663.pdfIn PDF document text
  • http://gyogytornasz.hu/editor_up/50755433649.pdfIn PDF document text
  • http://vegman-kzn.com/ckfinder/userfiles/files/34032389387.pdfIn PDF document text
  • http://dytac.hk/userfiles/21346709669.pdfIn PDF document text
  • https://pierrelemagicien.com/userfiles/file/82879681069.pdfIn PDF document text
  • http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lujuxo.pdfIn PDF document text
  • http://xn--b1adcbbai1bezln.xn--p1ai/content/File/barakuliwifiduxinu.pdfIn PDF document text
  • https://onlineadda.net/ckfinder/userfiles/files/77869682291.pdfIn PDF document text
  • https://alcoquimicos.com/ckfinder/userfiles/files/linimiri.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=download+ragnarok+x+apkPDF 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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