Malicious PDF — malware analysis report

Heuristics 7

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

  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/mi6hjgdi8ehop53p8buv57q47g/burizato.pdfIn PDF document text
  • http://wamer.org/userfiles/file/13732483929.pdfIn PDF document text
  • https://10glazsikeyrosa.ru/file/tiwijuwokuwonepajinebufan.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/zafuzezigu.pdfIn PDF document text
  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/91scjub4ocff27cbqiejedmkhn/22612678415.pdfIn PDF document text
  • http://lica-mpt.it/userfiles/files/33629882627.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/65103918302.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/1d2a48a2c66b34f5b8d5d63bf7faaeba/52251984482.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/406c435ee49818ba199928ac39ec4409/98251319294.pdfIn PDF document text
  • http://whkmradio.com/userfiles/file/somasuxudifekisa.pdfIn PDF document text
  • https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/9165d9337a75bbb6d51983f064629aa1/jiwidipenufefegezi.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/29d3a478878adf82bd8bdfe1bc61f5bb/wamigelumubefiburenal.pdfIn PDF document text
  • http://ridendo.cz/files/file/3796527022.pdfIn PDF document text
  • http://chaukitchen.com/uploads/files/71906475152.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/9i4mfpj7f3s9p3gbn0ueb90al7/kilovif.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/hnr4vm3h88d60gonf2hm91va10/89319724537.pdfIn PDF document text
  • http://brandweeramsterdamamstellanden.nl/userfiles/file/5769299061.pdfIn PDF document text
  • http://heyumpnd.com/userfiles/file///sajodofopugelodemuxu.pdfIn PDF document text
  • http://cathugo.de/res/wysiwyg/file/tinapakukerozo.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f082f79cab3---68508536082.pdfIn PDF document text
  • http://hglobaltour.com/FileData/ckfinder/files/20210602_71F3CEC173C9DF4C.pdfIn PDF document text
  • http://orderbestwings.com/uploads/files/vedalepibekepeve.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1607310ad15a12---wukurufaloguxonumijonuwa.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082fbd67e6d6---60079314453.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=spectra+s1+plus+breast+pump+manualPDF 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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