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
• 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.
• 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://catamma.ru/uplcv?utm_term=difference+between+i2c+and+spi+protocol PDF link annotation

  • https://landtop.com/filespath/files/20210910234444.pdfIn PDF document text
  • https://umutisi.com/umut/upload/files/74349710337.pdfIn PDF document text
  • http://sino-web.net/filespath/files/20210911063314.pdfIn PDF document text
  • http://ttworld.hu/uploads/content_files/files/71636535952.pdfIn PDF document text
  • http://accutindustry.com/Upload/files/20210925151503.pdfIn PDF document text
  • https://valeaflorilor.ro/img/uploads/file/kaweziwewalokap.pdfIn PDF document text
  • http://autolavaggiocraparotta.it/userfiles/files/sukedibifasud.pdfIn PDF document text
  • http://eldorautomaticgates.com/UserFiles/file/21545056364.pdfIn PDF document text
  • https://fotojursa.cz/userfiles/file/geron.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e1278858a---98547051551.pdfIn PDF document text
  • https://glearningsolutions.com/userfiles/files/59479420945.pdfIn PDF document text
  • http://pm-ural.com/uploads/files/nuwamafodig.pdfIn PDF document text
  • http://kencert.vn/uploads/image/files/95180066310.pdfIn PDF document text
  • https://vatlieutaphu.com/upload/files/36268652909.pdfIn PDF document text
  • https://butagallery.com/userfiles/files/34279862821.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/d7c7713c9a71b65fc009c537e8928271/kuzorumabofaverusoxupites.pdfIn PDF document text
  • https://gangnampools.com/contents/files/85517327409.pdfIn PDF document text
  • https://ncvpte.in/userfiles/file/90106130391.pdfIn PDF document text
  • http://www.kowel.com/ckfinder/userfiles/files/1630905114.pdfIn PDF document text
  • http://phuketdriveschool.com/userfiles/file/62892063486.pdfIn PDF document text
  • http://recuva.kr/upload/fck_img/1631260819/file/75847049540.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/oa426c5bm1rf7g9mulunm34707/47618071770.pdfIn PDF document text
  • http://odontotecnicacoop.it/userfiles/file/9119245785.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/d89a7bbb06fa8ba8fb486d0d805edb05/saxorasufenitivojog.pdfIn PDF document text
  • http://kxnjl.com/userfiles/files/kokekizejamo.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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