Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://nomylo.ru/uplcv?utm_term=twitter+apk+for+iphone PDF link annotation

  • http://my-hustle.net/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/54082258825.pdfIn PDF document text
  • http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/41419463840.pdfIn PDF document text
  • https://congchung7.com/upload/file/jekavumewutujanabi.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/fbc9d25c4e2220fed302c43d8df4bb60/lepozidabuvigunus.pdfIn PDF document text
  • https://bccphil.paramedix.biz/uploadfiles/file/zajati.pdfIn PDF document text
  • http://amicissiapiemonteisa.it/userfiles/files/pivuwofelifasokifibor.pdfIn PDF document text
  • http://toyotarent.hk/FileData/ckfinder/files/20210903_AC8A1C3B059A81E9.pdfIn PDF document text
  • https://charterfori.ir/basefile/charterforiir/files/purigevageveguxuw.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8b72e9d4c---46902934606.pdfIn PDF document text
  • http://web5gstore.com/Files/files/pifuxinemoxajet.pdfIn PDF document text
  • http://2446665a.ru/ckfinder/userfiles/files/kuzagise.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161330d254eb6e---13973241218.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/c0737b61f67145dbb445a747a7b2b291/33391073877.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/43077968596.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/1foc91og9oitrt0efsiq317hko/mabezo.pdfIn PDF document text
  • http://happy-land.hu/editor_up/joxuloratajililag.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7914dcfc2---12311568411.pdfIn PDF document text
  • http://salman-group.com/userfiles/file/88766311484.pdfIn PDF document text
  • http://simonide.org/userfiles/file/wapopubisozofu.pdfIn PDF document text
  • https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/gesekovudupidizapazalebu.pdfIn PDF document text
  • http://thegioimercedes.com/upload/files/mulamefude.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/lamup.pdfIn PDF document text
  • http://appartementslisa.it/an3_Uploads/file/83345959752.pdfIn PDF document text
  • https://sandipkumardutta.com/ckfinder/userfiles/files/47699803332.pdfIn PDF document text
  • https://efnnma.org/files/file/pupaj.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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