Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://garglob.ru/uplcv?utm_term=camscanner+apk+license PDF link annotation

  • https://conexusinternational.com/ckfinder/userfiles/file/3405375078.pdfIn PDF document text
  • http://tainanrup.longi.tw/uploadfiles/files/20210905_191334_1315.pdfIn PDF document text
  • https://vanvoorst.info/uploaded/file/25896926105.pdfIn PDF document text
  • http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/93915504347.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/15581031792.pdfIn PDF document text
  • http://affordableadobe.com/ckfinder/userfiles/files/2901827364.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/3ab95f7e681a99338a367cd267b1d82a/pemavinabavelinodoruma.pdfIn PDF document text
  • http://hycxchina.com/filespath/files/20210911165511.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/blhfkp1le8b2bv792kaak8jnku/gififare.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/32303231735.pdfIn PDF document text
  • http://wellgroup.cz/UserFiles/File/37198649772.pdfIn PDF document text
  • http://chono.mn/uploads/userfiles/files/45855083761.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/161338334b62d3---3608122791.pdfIn PDF document text
  • http://savvyais.com/userfiles/file/zosoxojofezowibusajisu.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315f9c92160---43916926107.pdfIn PDF document text
  • http://www.pataniforum.com/admin/jquery/ckfinder/userfiles/files/jikomezejatawu.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/73320339019.pdfIn PDF document text
  • http://gimnazjum-krasiczyn.pl/img/userfiles/file/18188444626.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135c19f9a47f---waworavatejuboki.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/a74e3594f66abe786d778a11e8351a90/42902603496.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130a8333d550---89605498219.pdfIn PDF document text
  • https://cornwallstaffagency.com/userfiles/file/81173913036.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea3ed2a3b9---bimajupofowof.pdfIn PDF document text
  • https://bagstyle.uz/images/file/3994736766.pdfIn PDF document text
  • http://safeabortionnepal.com/userfiles/file/62830845047.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/9ad3e5dbd2d61235c7071fc3c52e4410/fotif.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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