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
• 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://catamma.ru/uplcv?utm_term=how+do+you+take+a+phone+out+of+safe+mode.
• 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://catamma.ru/uplcv?utm_term=how+do+you+take+a+phone+out+of+safe+mode PDF link annotation

  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/255e82ee3b9903e8a82ad6ade79e5550/40749526811.pdfIn PDF document text
  • http://chinahongji.com/d/files/49911265983.pdfIn PDF document text
  • https://invision.buzyhub.com/files/70198989547.pdfIn PDF document text
  • http://soupworld.de/upload/file/85428150082.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/vvfre20n778qpsroocuf58bl04/dotuxusa.pdfIn PDF document text
  • http://jongauger.com/userfiles/file/44558967940.pdfIn PDF document text
  • http://mingmitrcoffee.com/user_img/files/wapoxagufokajupa.pdfIn PDF document text
  • http://havefuntogether.com/image/upload/File/16723144083.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/23648870604.pdfIn PDF document text
  • http://goldcoil.com/uploadfiles/files/97741028306.pdfIn PDF document text
  • https://kaptenhoki.org/contents/files/65894828837.pdfIn PDF document text
  • http://qwerty.pl/_data/file/felekogibu.pdfIn PDF document text
  • https://www.newhorizonscrisiscenter.org/ckfinder/userfiles/files/waputaw.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16139e6200b200---46311361676.pdfIn PDF document text
  • http://hockjoohin.com/admin/uploads/file/79435792276.pdfIn PDF document text
  • http://tlw.ro/UserFiles/file/74375598857.pdfIn PDF document text
  • https://sportcity.bg/webroot/img/content/files/49792689812.pdfIn PDF document text
  • http://bongoes62.dk/userfiles/file/41546135643.pdfIn PDF document text
  • https://solucionaesp.com/ckfinder/userfiles/files/bisopujibupuduborog.pdfIn PDF document text
  • http://kleinschadenexperte.de/userfiles/file/25354055691.pdfIn PDF document text
  • https://ildiko-szepsegszalon.hu/userfiles/file/74393960790.pdfIn PDF document text
  • https://atlanticcompact.org/userfiles/files/jerufitebeligagominavi.pdfIn PDF document text
  • http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/66730610442.pdfIn PDF document text
  • http://chuanghuilaw.com/filespath/files/20210912203814.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/selarewagov.pdfIn PDF document text
  • https://ispartaorganizasyon.com/ckfinder/upload/files/dularokujagefuxemafaro.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/40465909416.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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