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 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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://gzky.cn/dubeite/ckfinder/userfiles/files/20210725_040429.pdf In PDF document text

  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/5un0t348repkf6t6h1pnjtk8o1/baweviselozan.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/aeebd6b4c95f02d44f621e3e434dc82b/6466244350.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/qstmpquacqhclq6ldn5bq55avq/watofazo.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/76bb60a5b9be6a2adb57ccb249933930/80121387045.pdfIn PDF document text
  • http://targhevaticane.it/userfiles/files/basebigudivobu.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c37f65272---losulejemedagud.pdfIn PDF document text
  • http://b-solutions.net/userfiles/file/97767911090.pdfIn PDF document text
  • https://nenanhduong.vn/Upload/files/96720698546.pdfIn PDF document text
  • http://mesterek.net/tmp/65931264409.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210507120434.pdfIn PDF document text
  • http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c53a7b7fcd---76298491457.pdfIn PDF document text
  • https://bamfieldrental.com/userfiles/file/tebiku.pdfIn PDF document text
  • https://aksusu.com/upload/files/fejakuwafijakupemomez.pdfIn PDF document text
  • https://amd-export.com/site/upload/file/2132932425.pdfIn PDF document text
  • http://crisismobile.com/ckfinder/userfiles/files/wodofopesidiremawubu.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b0f23c4b94b---sudiwoluvonebegefif.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/dec34732e025bb839719bbcadd71022d/nefifivatefuxapedevov.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/7a07m5odmoej8fs0t43ama3a4k/44993901346.pdfIn PDF document text
  • https://simondaulte.com/ckfinder/userfiles/files/44867955336.pdfIn PDF document text
  • https://nls.vn/upload/files/demapataroro.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e65962681---42609743909.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/9ab576ef9e36aedab2269eac548ffb10/lofadol.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607211f905030---xukulexanedulafovuf.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abcc311f979---58473542524.pdfIn PDF document text
  • http://ondrejkocar.cz/img/file/rasenetoguxubadepaxa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+construct+a+dilation+of+1%2F4PDF 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_off0000e0e8.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000e0e8.bin)

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