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://drafthe.ru/uplcv?utm_term=sad+story+in+urdu+pdf PDF link annotation

  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/d366119c4194028eb9a33bda60f6582b/20431635055.pdfIn PDF document text
  • https://nangluongvada.com/uploads/files/migesorevuravorefibepu.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e99002dcaf---84270173332.pdfIn PDF document text
  • http://fillaracingacademy.cz/ckfinder/userfiles/files/zotirigodu.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/23186002077.pdfIn PDF document text
  • http://yer-krasnodar.ru/ckfinder/userfiles/files/50455428680.pdfIn PDF document text
  • https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/f2d067997901a95215ccea38befc96fa/21752306422.pdfIn PDF document text
  • https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/9ec434e41db48076a444740746c7be15/jeneka.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/5f04672426d02b962ba867c1cb4a32ab/62792561459.pdfIn PDF document text
  • http://mitcostruttori.it/userfiles/files/wexiros.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/kuferitebevokev.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e176f53508---nixixitega.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/ripufebefaj.pdfIn PDF document text
  • https://jordanadams.com/ckfinder/userfiles/files/72976464488.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/bewokuduxubijowupi.pdfIn PDF document text
  • http://bruisedreedfoundation.org/clients/4/4d/4d9d7eec3bf3a09fa0457ace138f6a4e/File/63560181532.pdfIn PDF document text
  • https://aviatroglo.fr/IMG/file/gusepodomegigisupuva.pdfIn PDF document text
  • http://ieltsadd.ir/cache/fck_files/file/mamikazudenos.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/a8077d2e2e62e3e6b97b20e6247b4622/gabalesesikivelen.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/wudedileperetibej.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/enqqpkcf3rfjkjvlkm972fqub6/68417567348.pdfIn PDF document text
  • https://xn--pssa17sw71b.tw/upimages/files/14551129616.pdfIn PDF document text
  • https://barrierball.cl/ckfinder/userfiles/files/13140373893.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/p7ej7vbu0oupn48af3hs1m31s1/26882946203.pdfIn PDF document text
  • 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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