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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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 http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/fii8t7bf3jtmnu362hpuli9sbn/debiraziba.pdf In PDF document text

  • http://astorandblack.net/emailer/userfiles/file/25666205183.pdfIn PDF document text
  • http://www.hausman.eu/images/wyswig_images/file/verokixadewuvu.pdfIn PDF document text
  • http://italiangreyhound.pl/img1/userfiles/file/58717162333.pdfIn PDF document text
  • http://aspbae.org/userfiles/file/sagizutolavuzenefigurinof.pdfIn PDF document text
  • https://benmoonpharma.com/userfiles/file/wixevuwevawevobapabor.pdfIn PDF document text
  • http://www.prctech-th.com/ckfinder/userfiles/files/rigozax.pdfIn PDF document text
  • http://140.121.125.49/ckfinder/userfiles/files/20210906_232501.pdfPDF link annotation
  • https://granitabrasive.com/editor_up/2030635737.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/c59b1344416f5933bba94bcea2c9d070/32521556189.pdfIn PDF document text
  • http://fairfresh.net/assets/admin/ckeditorimage/files/55010121535.pdfIn PDF document text
  • http://chinawin-consult.com/userfiles/kobijimodawowus.pdfIn PDF document text
  • http://meijialx.com/ckfinder/userfiles/files/6844601136.pdfIn PDF document text
  • https://www.institutvzdelavani.cz/files/59553136457.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/53409332768.pdfIn PDF document text
  • http://senseoftourism.dk/userfiles/file/piwesewowuselavid.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/916bb02cf26f727dbfe02f0d7db9b5c1/2444470786.pdfIn PDF document text
  • https://thietbigas.net/media/files/68176581717.pdfIn PDF document text
  • https://meritumptt.pl/dokumenty/file/debufopebuw.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613e985f7cd2f---74906466571.pdfIn PDF document text
  • https://nibrasimansch.com/userfiles/files/5389340781.pdfIn PDF document text
  • http://sspvjd.com/FileData/ckfinder/files/20210902_D3584B2CC5534241.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=set+up+screen+mirroring+on+androidPDF 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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