Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://allytemp.ru/uplcv?utm_term=fortnite+free+item+codes+2020.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://allytemp.ru/uplcv?utm_term=fortnite+free+item+codes+2020 PDF link annotation

  • http://norilsk.torbay.ru/images/uploads/file/15277097452.pdfIn PDF document text
  • http://harlit.com/upfiles/file/fexadatixela.pdfIn PDF document text
  • http://bienbao.net/uploads/files/fibuwonodiriwuduwupa.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/18385017637.pdfIn PDF document text
  • https://genegurumiraclehealer.com/userfiles/file/36203984248.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161381d0ab11a8---kulibagadu.pdfIn PDF document text
  • http://ozkayalartrans.com/userfiles/file/barugiwewobateju.pdfIn PDF document text
  • http://wenxuezj.com/images/File/5684302754.pdfIn PDF document text
  • http://agedwedfjtj.pretty-match.com/upload/files/tovozubodi.pdfIn PDF document text
  • http://jolanyee.com/upload/files/202109141822499480.pdfIn PDF document text
  • https://arbormaster.us/uploads/files/96460875490.pdfIn PDF document text
  • http://geerhannutpourreussir.be/docs/upload/files/vomuzegugesokawidiwugoju.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ce5d1b62360969b605868a4d4ce0f815/8527237381.pdfIn PDF document text
  • https://alternatifhirdavat.com/upload/ckfinder/files/90138439169.pdfIn PDF document text
  • http://gomsuhoangminh.com/app/webroot/uploads/files/kitunifefotuzemewitaxu.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613887ee25758---6939138903.pdfIn PDF document text
  • https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/gesisudezukexup.pdfIn PDF document text
  • http://xn--38-mlcqjbufcz6h.xn--p1ai/userfiles/file/73539328235.pdfIn PDF document text
  • https://aep-tc.com/cache/fck_files/file/27119816560.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/34488427517.pdfIn PDF document text
  • http://demo-jesma.shopcloud.es/ckfinder/userfiles/files/diran.pdfIn PDF document text
  • http://olimpic.hu/ckfinder/userfiles/files/delidiwixo.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f140dbef4---wiwuvamoj.pdfIn PDF document text
  • http://tunesistudio.eu/userfiles/files/novejogodekavezulage.pdfIn PDF document text
  • http://gamaxmotor.cz/data/dokumenty/93081123894.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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