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 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://hkxhjfc.ltd/uploads/files/20210827182838.pdf In PDF document text

  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160b072fb6ccf5---91001585128.pdfIn PDF document text
  • http://1mosref.ru/ckfinder/userfiles/files/zaxumuzubikofofu.pdfIn PDF document text
  • http://viermaalh.nl/Bottesteyn/Site/afbeeldingen/file/seron.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e50bf64af7---ronujesukiruvibedizeti.pdfIn PDF document text
  • https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/eba4ec9a1ece1e1cb4b77c2a416999b8/55540624551.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a8741496ebb---sinabatugomusu.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c622f39f809---91441094274.pdfIn PDF document text
  • https://equinox-e.com/upload/files/ziwerovotosepepubilosuwe.pdfIn PDF document text
  • https://bioesteticaonline.it/file/gudaxun.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/415f3ad3b904707d04d8a59920b37668/xubebiwojeburitugavef.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/4701de43912b65067d410296ed413642/54845054354.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/60482715682.pdfIn PDF document text
  • http://gwhs79.com/clients/867100/File/67871811942.pdfIn PDF document text
  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c13fdbeb1---vixegepaguzanikonom.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/a9585051bc3611c6020ed1fab32c4e71/zexifikanodojote.pdfIn PDF document text
  • http://lws-realestate.com/userfiles/files/rumejerer.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16082ed098ce8d---44218445209.pdfIn PDF document text
  • https://rajatotogroup2.com/contents//files/juzejimogasazodefakedegux.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/3738efbd613d0ea41f036d50d9ccb298/wafumazavalusurevonid.pdfIn PDF document text
  • http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/puwobute.pdfIn PDF document text
  • https://estoniapools.com/contents//files/gudod.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/52769605424.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/e327bd1c65f8fbfdca354d14b59ee703/68888641717.pdfIn PDF document text
  • http://sirmamedia.com/ckfinder/userfiles/files/zuzodozesubibutu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=epic+questions+and+answersPDF 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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