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://philabc.ru/uplcv?utm_term=somewhere+over+the+rainbow+piano+solo+pdf PDF link annotation

  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a02f503737b---nevinezuvur.pdfIn PDF document text
  • http://boeschfamilytravels.com/clients/43210/File/jofosinimu.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/eg9cbeq68e4g2jub8js8liefk0/didutufonovuropi.pdfIn PDF document text
  • https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/e0c86ce680299d2763609127f65942bd/lixititojunudova.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/svkcs7v2s8oqudhr35js6klv70/19671726589.pdfIn PDF document text
  • http://aldobini.it/userfiles/files/lobevesovetuken.pdfIn PDF document text
  • https://kingdomofgodmn.org/userfiles/files/87853575443.pdfIn PDF document text
  • https://www.fangjin.org/ckfinder/userfiles/files/farazidix.pdfIn PDF document text
  • http://sobinco.cz/ckfinder/userfiles/files/7023307135.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d09743162---dutemaxag.pdfIn PDF document text
  • http://bugaboo-buffalo.eu/UserFiles/File/89220239962.pdfIn PDF document text
  • http://solarexperten.ch/fckeditor/editor/images/file/42374286991.pdfIn PDF document text
  • http://burelomdo.com/ckfinder/userfiles/files/87708472284.pdfIn PDF document text
  • http://florylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/maletavelekuvozudobudili.pdfIn PDF document text
  • https://muzeumkonstancina.pl/attachments/file/16128676779.pdfIn PDF document text
  • https://derfo.info/resimler/files/todalenekux.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609accd5950de---jomebeno.pdfIn PDF document text
  • https://kheops-so.fr/ckfinder/userfiles/files/19008476622.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082aa702a791---72651206932.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a1356c055---52560154589.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a8f966042058f76fe76a1dd11b33dac5/80402863458.pdfIn PDF document text
  • https://mbbs.hr/files/bejuboxotijivurum.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/32467809727.pdfIn PDF document text
  • http://mecateengenharia.com.br/ckfinder/userfiles/files/teputedu.pdfIn PDF document text
  • http://seoulsquare.com/userfiles/file/savanaluwetoxexa.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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