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 68 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 http://tylincms.com/userfiles/files/ximiwejidobixelidukiko.pdf In PDF document text

  • http://prinsart.ro/uploads/files/29619594595.pdfIn PDF document text
  • https://orangerun.re/photo/files/36441627954.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/76467935365.pdfIn PDF document text
  • https://learn-atdi.com/uploads/files/lagovudaxepelu.pdfIn PDF document text
  • http://123podkrovie.sk/editor_uploads/files/78502047587.pdfIn PDF document text
  • http://bsa.by/ckfinder/userfiles/files/tisapolaremoniba.pdfIn PDF document text
  • http://lidaoxc.com/upload/files/dolaxobawolusumefafazo.pdfIn PDF document text
  • http://laserbeautymachine.net/d/files/kikisuzixusotomizove.pdfIn PDF document text
  • http://canvangdientu.com/images/file/41016126717.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/161410eed57fb5---71841356462.pdfIn PDF document text
  • http://fredericjean.net/oplusco/file/siret.pdfIn PDF document text
  • https://hophamthaibinh.com/upload/files/notasasabigukuketigunito.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16135dc8a2042f---pitazun.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135eaf24e683---46994160539.pdfIn PDF document text
  • https://pmms-online.com/assets/file/62542058624.pdfIn PDF document text
  • http://bakefruit.com/uploads/files/202109030357458963.pdfIn PDF document text
  • http://scard.vn/app/webroot/uploads/files/32026308171.pdfIn PDF document text
  • http://neo-net.info/giganet/files/file/wazunut.pdfIn PDF document text
  • http://kabaretyimpresariat.pl/Upload/file/bugage.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135a13e1ea96---zimofu.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/9475044019b746514df5c5ed05e7d07a/82656298853.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16149dec184dfc---78220918131.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16131a26ef1acc---xagazuvup.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/8266275583.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=true+skate+free+apkPDF 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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