Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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 https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fbab35b5a1---fidezulukijebozaxuk.pdf In PDF document text

  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/p5aq8rbe1qmjuf2p19951ciav0/jilimiwubobomudoxeji.pdfIn PDF document text
  • https://dafelia.com/files/84860535250.pdfIn PDF document text
  • http://digjamaica.com/app/webroot/files/bepexagupo.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/e59d01268f12ec547e39ca310004a568/95430532042.pdfIn PDF document text
  • http://157.230.241.115/image/upload/File/vetinekevubavipax.pdfPDF link annotation
  • https://baxsporthorses.com/userfiles/file/18633424108.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/a9dc94a196fedc23b0df42066b8316c1/rajojotukurotogozeje.pdfIn PDF document text
  • http://thevisionkharj.com/userfiles/files/31545872818.pdfIn PDF document text
  • http://dolphinkorea.com/files/files/dupexapiwizizezi.pdfIn PDF document text
  • https://comptables-publics.fr/userfiles/file/79189463854.pdfIn PDF document text
  • http://www.musicboxpiano.com/contentfiles/89715343504.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140fc7cf169b---28996742227.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/pemegili.pdfIn PDF document text
  • https://anctools.com/ckfinder/userfiles/files/gedonugu.pdfIn PDF document text
  • http://maremio.ru/admin/ckfinder/userfiles/files/88861669329.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613de22f6a1fd---48356502650.pdfIn PDF document text
  • http://bio-scan.com/userfiles/file/xapupogupigagovuwivuv.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/5b06b074f3ed7f25b0b6987471ea7a94/fubizurepatelesabewo.pdfIn PDF document text
  • http://yizhu580.com/ckfinder/userfiles/files/nejumivusu.pdfIn PDF document text
  • http://shopabrang.com/images/files/fulogojunikilulovu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=install+android+apps+through+pcPDF 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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