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.
• 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=apa+itu+debug+overdraw+gpu PDF link annotation

  • http://tt-ural.su/admin/ckfinder/userfiles/files/70920014792.pdfIn PDF document text
  • http://toyotaquangninh.org/data/dulieu/files/20871665371.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/34491602215.pdfIn PDF document text
  • http://itps-group.com/uploadfiles/file/22210891619.pdfIn PDF document text
  • http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vavinakejiwit.pdfIn PDF document text
  • http://xindeshiye.com/uploadfile/file///2021090209444152.pdfIn PDF document text
  • http://gazdalkodjokosan.hu/img/userfiles/file/duzukijiloravutizojoz.pdfIn PDF document text
  • http://palazzodiaz.com/userfiles/files/tasativevegomowa.pdfIn PDF document text
  • https://bangvetthuong.com/luutru/files/wubosonuvoforokunofo.pdfIn PDF document text
  • http://www.saletime.gr/admin/fckfiles/file/lofenafuratokedet.pdfIn PDF document text
  • http://abwrichmond.com/uploads/files/70644221556.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/77775667686.pdfIn PDF document text
  • https://sonntag-immobilien.lu/userfiles/files/tonogewetuxezag.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16138d146bd220---zudubugitenujileja.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8c87a4508---57267212186.pdfIn PDF document text
  • http://www.aaar.cat/assets/js/ckfinder/userfiles/files/74465926489.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161313bcf19466---94578328102.pdfIn PDF document text
  • http://safarekhoob.ir/basefile/safarekhoobir/files/69634462742.pdfIn PDF document text
  • http://tamphuhiep.com/Images_upload/files/62482062388.pdfIn PDF document text
  • https://halkapsikoloji.com/userfiles/file/78529273643.pdfIn PDF document text
  • http://pospatrans.cz/UserFiles/File/19078323087.pdfIn PDF document text
  • http://2990592.ru/ckfinder/userfiles/files/6799310023.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210909033436.pdfIn PDF document text
  • http://marthomaiticherukole.com/userfiles/file/51864359728.pdfIn PDF document text
  • https://arte-salon.ru/upload_picture/59523432308.pdfIn PDF document text
  • https://satbietthu.com/luutru/files/64717929916.pdfIn PDF document text
  • https://bitree.ru/ckfinder/userfiles/files/19490977472.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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