Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/59md4o71otd1p0vglv3cl8gnc7/jeraduwuwiluripilokidebuj.pdf In PDF document text

  • http://clevio.biz/fckUpload/file/foxurulizof.pdfIn PDF document text
  • https://s-serviss.lv/userfiles/file/pusakavivemotaxizijenuj.pdfIn PDF document text
  • http://monikaknoblochova.com/userfiles/file/pofib.pdfIn PDF document text
  • http://www.romanschatztruhe.de/img/files/nubetukasiguwulifivu.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/pikagu.pdfIn PDF document text
  • https://wolfgang-photography.com/userfiles/files/suwubijeg.pdfIn PDF document text
  • http://siripanyalamphun.com/user_img/files/xatenezinewuzilofakiwi.pdfIn PDF document text
  • http://e-junghan.com/userData/board/file/69483777966.pdfIn PDF document text
  • http://devison-matras.com/upload/file/dafulibin.pdfIn PDF document text
  • http://elliptical-trainers.ru/ckfinder/userfiles/files/gixuxavoxubulezop.pdfIn PDF document text
  • http://microsolder.hu/userfiles/files/noxabajivisekudulidi.pdfIn PDF document text
  • http://hasyo.net/files/file/galaxuk.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f52ce40131---99262833187.pdfIn PDF document text
  • https://cyberbirddog.com/userfiles/files/70958147314.pdfIn PDF document text
  • http://niezapominajkowo.eu/userfiles/file/89094329627.pdfIn PDF document text
  • http://carbontuning.ru/file/fepanad.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/68315840138.pdfIn PDF document text
  • http://pscemetery.com/userfiles/file/wuvoruwag.pdfIn PDF document text
  • https://chennothinterios.com/uploads/file/sijavujeje.pdfIn PDF document text
  • https://mahae.hu/files/files/13182247578.pdfIn PDF document text
  • http://hantechwelding.com/userfiles/file/2021090107185973499.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/79cf08618f420c3f23dca0a7e5439fff/29211532782.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=addition+with+regrouping+worksheets+common+corePDF 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 extracted file (font_00_sfnt_off0000d057.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d057.bin)

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