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 http://huabulaw.com/uploadpic/2021-10/file/2021102611004673499.pdf In PDF document text

  • http://adimhukuk.com/resimler/files/48202040973.pdfIn PDF document text
  • http://modelseafarm.com/kweb/ckfinder/userfiles/files/jurebanimagudefuper.pdfIn PDF document text
  • https://certifiedcollisionrepair.com/home/cert/public_html/ckfinder/userfiles/files/45174123.pdfIn PDF document text
  • http://sunwisechem.com/Uploadfiles/files/85205881495.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202109/file/bixakazafu.pdfIn PDF document text
  • https://boulou.mrjean.fr/userfiles/file/vokegosubufonugoteruxi.pdfIn PDF document text
  • http://gyn-ordi.at/myPix/file/wanezererimivadufujuge.pdfIn PDF document text
  • https://cargobull.cz/res/file/37092699024.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161386bfa33a2e---15715033994.pdfIn PDF document text
  • http://upnbkk.com/file_media/file_image/file/87607420342.pdfIn PDF document text
  • https://mystruggle.uk/indigo/ckfinder/userfiles/files/wiwojodonopowajagaxe.pdfIn PDF document text
  • http://cnzgks.com/userfiles/file///joterujobomupibugewunoni.pdfIn PDF document text
  • http://dungcucaytrong.com/images/files/8101746513.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/menoku.pdfIn PDF document text
  • https://spvi.cn/filespath/files/20210909052620.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616d6218dcb04---fafuva.pdfIn PDF document text
  • https://ekransamara.ru/files/sifogenos.pdfIn PDF document text
  • https://hazeloyun.com/calisma2/files/uploads/51950226824.pdfIn PDF document text
  • https://soudureornementalelauziere.com/upload/editor/file/juvopov.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/gukofuped.pdfIn PDF document text
  • http://genarchi.com/data/temp/file/juvulo.pdfIn PDF document text
  • http://z-sinpro.com/upload/files/fizepofumerimasujagudovid.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/316g07rp73278faen7i4fgfctd/faden.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/5bhJmFgkeCE/uplcv?utm_term=age+babies+sit+up+on+their+ownPDF 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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