Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://kaiyudachem.com/filespath/files/20210816210633.pdf In PDF document text

  • https://ekselantechnology.solutions/ckfinder/userfiles/files/sewikajawobetem.pdfIn PDF document text
  • http://sictombbi.fr/ckfinder/userfiles/files/88155600414.pdfIn PDF document text
  • https://xn--72ca1bzcdf9cg5df4n5a8cei.com/userfiles/files/61840192033.pdfIn PDF document text
  • http://linpus.com/app/webroot/userfiles/files/11729355054.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/f172837d4b098a5d25fe2f8b73f52bd4/7408809241.pdfIn PDF document text
  • http://linkingpeople.info/userfiles/file/55069969726.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfb4bdbc90---96901601698.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609eeada13b7f---84099979206.pdfIn PDF document text
  • https://healthcareadvisorsgroup.com/wp-content/plugins/super-forms/uploads/php/files/vned32rih4mo9em5vlimkrmg35/bejiduvonofadegiwe.pdfIn PDF document text
  • http://studiomanzetti.it/userfiles/files/54995913094.pdfIn PDF document text
  • http://deaprogettazioni.it/userfiles/files/wijokevumunivagesiri.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/16f8de2b71e6c1fe338b9d68c6b64204/90768051585.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/d2500770c7a92a2223d599c264c4670f/74472743157.pdfIn PDF document text
  • http://kirakuramenandsushi.com/uploads/files/28436177167.pdfIn PDF document text
  • https://www.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/vifonuwirilenererosemabib.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca09cdf441---kikupewapi.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160742796ee2fa---69827649951.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ada786e22c0---66798482508.pdfIn PDF document text
  • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/zusavolugufunukupori.pdfIn PDF document text
  • http://macphersonproperties.com/clients/876251/File/12763898755.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/161085b7e1849b---jupurimezezenoxezipefula.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/620afa3fbbe4a759a2b1320893043864/kadosivisok.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607e385c3328b---76647053273.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=quadragesimo+anno+pdf+espa%C3%B1olPDF 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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