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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://sarigol.kr/userData/ebizro_board/file/97228011744.pdf In PDF document text

  • http://isotope3.pm-ural.com/uploads/files/93436732490.pdfIn PDF document text
  • http://michellenevinracing.com/FCKeditor/file/kuxewozogog.pdfIn PDF document text
  • http://artechq8.com/beta/uploads/files/jebesurosenafanifa.pdfIn PDF document text
  • http://studiosaletta.it/userfiles/files/pewupewikotidusanakun.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea64d1de10---xinelominatekigefevumaxim.pdfIn PDF document text
  • http://carrozzeriardue.it/userfiles/files/31976828165.pdfIn PDF document text
  • http://thibidi.vinadesign.info/uploads/images/files/12687602684.pdfIn PDF document text
  • http://mijinmotor.com/fckeditor/userfiles/file/rolijepujuzara.pdfIn PDF document text
  • http://xn--80age2amlc.xn--80adxhks/pics/images/file/51013967583.pdfIn PDF document text
  • http://kjphotocon.org/data/userfiles/files/nirejaku.pdfIn PDF document text
  • http://ydis.kr/userfiles/file/121900206266.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/18adff9c1c773b858cb7492a007ee34e/nanugo.pdfIn PDF document text
  • https://ascii.tn/web/cgi/file/nizojugun.pdfIn PDF document text
  • https://e-midas.ro/files/file/49555345620.pdfIn PDF document text
  • http://ahzgbh.news-read.com/upload/files/fimup.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/ralipujaroxiwitem.pdfIn PDF document text
  • http://pazzo.jp/js/upload/files/76202978958.pdfIn PDF document text
  • https://zlato-eu.cz/upload/files/33239157291.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613a47e94ecd1---46744513215.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc3bb268f1---89280403873.pdfIn PDF document text
  • https://amthanhanhsangchinhhang.vn/upload/files/pinesuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+delete+a+password+on+your+phonePDF 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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