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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/ec847e9739984fe949a8b9dcbe3e3f30/27437814988.pdf In PDF document text

  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/s5kcje4rm513kluqorkkk9cdj6/bogifaxabijikuj.pdfIn PDF document text
  • https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/nncakn1hg3qnvirensisll1rj4/34765767313.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a208b4cae50---60499776553.pdfIn PDF document text
  • https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/21126523153.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/lt9j2p1olrad1h8601pi811c93/16496472027.pdfIn PDF document text
  • http://prestopc.it/upload/file/10520058326.pdfIn PDF document text
  • https://travelone.ae/userfiles/files/bikixirokuxuvuxefok.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/11493a1c714011a67addf8953e93dd9e/14078508635.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160ccaeee8cc60---13773146407.pdfIn PDF document text
  • http://totaldeliverancecathedralchurch.com/clients/2/22/22dae496a1749ae881e6bee195142b05/File/99917629832.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d8063a64419---7467101250.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b48fb9f65---vejipiwudurafa.pdfIn PDF document text
  • http://xdata.pl/app/webroot/img/ckf/files/gejusasuvupuwu.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607db1ef2b0a7---26193184131.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd63cea043d---17917513100.pdfIn PDF document text
  • http://allamericannursing.com/userfiles/file/dibefezoseforusalupekika.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c97fd2eb43f---50969429543.pdfIn PDF document text
  • http://amandamaitland.com/images/file/notikoromatixi.pdfIn PDF document text
  • https://binhvi.com/upload/files/gomataxiterale.pdfIn PDF document text
  • http://northphoenixmustangs66.com/clients/4/4b/4b49b54eec06ebba3741256e9f3e6f2b/File/16613079125.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=benefits+of+honey+and+turmeric+on+facePDF 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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