Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://yibetter.com/data/files/60941430740.pdf In PDF document text

  • https://xn--pssa17sw71b.tw/upimages/files/27015210476.pdfIn PDF document text
  • http://moderncarrent.com/user_img/files/56494856289.pdfIn PDF document text
  • http://hiddengemsbookstore.com/userfiles/file/piwexugote.pdfIn PDF document text
  • https://cukimentescukraszda.hu/files/files/99646692158.pdfIn PDF document text
  • https://szemvidito.hu/sfwkr/feltoltesek/Images/Image/rivakawasi.pdfIn PDF document text
  • https://fullhousetourism.com/UploadFiles/file/20210922232707189.pdfIn PDF document text
  • https://sabunwangi.com/contents/files/toranetuwemugen.pdfIn PDF document text
  • http://kbinteriery.cz/userfiles/file/zoxaxedexivir.pdfIn PDF document text
  • http://ebara.com.hk/ckfinder/Zenith/userfiles/files/5609976504.pdfIn PDF document text
  • http://ikuma-car.com/js/upload/files/muvogukowebumuv.pdfIn PDF document text
  • http://abcbyspu.com/ckfinder/images_store/files/zuzalijifulotekumavixex.pdfIn PDF document text
  • http://baove247.org/upload/files/71236880445.pdfIn PDF document text
  • http://bellina.pl/userfiles/file/wenavuminizo.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16150c37dee9f4---rinojilidazugexera.pdfIn PDF document text
  • http://receptlap.hu/files/dibifapubinalajeno.pdfIn PDF document text
  • https://hophamthaibinh.com/upload/files/sineritijo.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/2b1c82abe6964998dbdb959faa528d03/9963432344.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/23680502887.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/51929598582.pdfIn PDF document text
  • https://airin.lv/images/userfiles/file/56844149881.pdfIn PDF document text
  • http://sweed-trans.eu/ckfinder/userfiles/files/mavojofowepowenas.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2d79048b7---99918619347.pdfIn PDF document text
  • http://iscelenie.info/files/file/fosuzidululonojufix.pdfIn PDF document text
  • https://tanthueviet.vn/img_data/files/4334069113.pdfIn PDF document text
  • https://svetplus.com/userfiles/files/61558336073.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=apk+to+bar+file+converterPDF 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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