Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://archism.ru/uplcv?utm_term=angry+birds+star+wars+ii+apk PDF link annotation

  • http://gold-carsales.com/js/upload/files/47581617346.pdfIn PDF document text
  • http://radiopoint.cz/userfiles/file/41878447918.pdfIn PDF document text
  • http://zhengfutz.com/v15/Upload/file/202191721176453.pdfIn PDF document text
  • https://0800-707-808.com/upload/ckfinder_temp/files/20210925131654.pdfIn PDF document text
  • http://chatyzvule.cz/uploads/13381998624.pdfIn PDF document text
  • http://kibbkw.com/uploads/files/tasivutid.pdfIn PDF document text
  • http://umffz21.ru/admin/ckfinder/userfiles/files/88489213173.pdfIn PDF document text
  • http://retailjewellerindiaawards.com/userfiles/file/xujetepedoleziga.pdfIn PDF document text
  • https://fratellifurloni.it/file/51853593867.pdfIn PDF document text
  • http://elistaprezentow.pl/userfiles/file/fikalomogadepigi.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/0ad92d2c2e6c07e521603eea13d28e96/barumapewikoropenegeli.pdfIn PDF document text
  • http://mebizstekla.ru/userfiles/file/tipewowezoxokinu.pdfIn PDF document text
  • http://aiaato.com/FileData/ckfinder/files/20210920_465630B56B54C557.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/zinesu.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136973a41eda---kobajababo.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16152adbe745b1---95875684972.pdfIn PDF document text
  • http://chinahk-ip.com/chinahk_ip/html/files/editor/file/morawekelisetinozegi.pdfIn PDF document text
  • http://perksys.com/userfiles/file/vuxowemeliforawanuto.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/fffe4cfb4a79455c3944b9a76a457574/sedetodenozasajipozidital.pdfIn PDF document text
  • https://gedayapi.com/userfiles/file/vumiruzug.pdfIn PDF document text
  • http://quantri.thaisonpalacehotel.com/upload/files/76594278278.pdfIn PDF document text
  • https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/54676262374.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/0e578b83e0ecceb50775566e0d4c88ad/zexezubupexupifekuxuwirok.pdfIn PDF document text
  • http://uniroll.pl/user_images/file/bomosobogejajesibot.pdfIn PDF document text
  • http://kolkandkolkdesign.com/site/data/ws/files/46108987771.pdfIn PDF document text
  • http://cluster006.ovh.net/~greeters/be/ckfinder/userfiles/files/dubituzamegawifumotesuvuw.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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