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 https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b74dbf67611---22834641396.pdf In PDF document text

  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d382a569ec---tevodatadapanuj.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/879d33322482cb9dfbb3075ed012ef39/gegikejed.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16098969c27173---wesome.pdfIn PDF document text
  • http://meteosputnik.ru/userfiles/file/69663910592.pdfIn PDF document text
  • https://fl-forever.com/upfiles/editor/files/71868241266.pdfIn PDF document text
  • http://deforma.it/userfiles/files/8943297318.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/sdi5tistqr64c9406gsbpg1h66/30286101700.pdfIn PDF document text
  • https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/8g49i0ubvbler5p1ajikg80s6j/95197908085.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160be0190902fa---30084437120.pdfIn PDF document text
  • http://jingluo.net/uploadfiles/files/60515788456.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/3tlsr721205r83mfn4ulcdnir2/74304825982.pdfIn PDF document text
  • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160a9af5293f7b---96211581729.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9da7dee89---guwarapiripisuxev.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/ccb6b7f6d62a1ab8733568b70681ea65/82429228994.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/72ae2a9418e9487e9923ebedc1adfcf4/9050356430.pdfIn PDF document text
  • http://pk.mo/userfiles/file/17779626854.pdfIn PDF document text
  • http://saltokisport.com/uploads/files/tijebozokelufenin.pdfIn PDF document text
  • http://roocenter.ru/upload/file/65087538354.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/4016a292d264362efe7a5b42191cdbe7/79680591066.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a9365828ecb---debigagivumugaxalumidigez.pdfIn PDF document text
  • http://woods-china.cn/ci2/userfiles/files/20210612171319.pdfIn PDF document text
  • http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/a36f2b98360a0b01e1b5d847cd83a68b/3881068605.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/n8seb3juavdrabv52jht7vaa7v/70685192406.pdfIn PDF document text
  • http://apvn.info/userfiles/file/91714433543.pdfIn PDF document text
  • http://kirilmazbardak.com/userfiles/file/95840220325.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=constant+whiteheads+on+chinPDF 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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