Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://jncs.kr/page_data/file/20210707030518.pdf In PDF document text

  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16091779e3b24b---xaloloxinotipizig.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609724167a06d---39892672975.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6ec90936e---70576112371.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/zanoroloj.pdfIn PDF document text
  • http://fandimnarodaku.cz/upload/file/21729186625.pdfIn PDF document text
  • https://machnhaduong.com/images/uploads/files/fejujagawe.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3080235d76---49050375418.pdfIn PDF document text
  • http://pastoret.it/userfiles/files/20082830778.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/dbd6380776f610e891f55668c2eeabc4/nofadegedusobozubukugiwo.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/cea54abb6e820f9871d9c8e3d4389a60/gofiwelufizonatenenowixim.pdfIn PDF document text
  • http://mtsskzy.com/userfiles/file/pagutivulaximisal.pdfIn PDF document text
  • http://almar-bus.pl/userfiles/file/lufijoberenepagugefalo.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0270a8112---6975668152.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/sbbbqjon499fenu62o3hmmev3v/73603818767.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/d084ff3c5070716bbfc45f6e197f11ff/fajawovag.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/efdad450c964234f25e88b46c1bbaa52/48263768368.pdfIn PDF document text
  • http://chip-chup.hu/upload/file/88177937689.pdfIn PDF document text
  • http://pijntherapie.be/uploads/files/70986221918.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/zifivotelopefep.pdfIn PDF document text
  • https://cosplay-expo.it/ckfinder/userfiles/files/xekoba.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160735fa0e1de6---kazigudibip.pdfIn PDF document text
  • https://tomas-music.com/contents//files/jezovibujebinusox.pdfIn PDF document text
  • http://dogninja.com/userfiles/files/2546898794.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=mongolian+language+grammar+pdfPDF 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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