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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://pechati-piter.ru/userfiles/file/16541108489.pdf In PDF document text

  • http://bioaec.com/userfiles/files/93723041112.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/lemazolixonodap.pdfIn PDF document text
  • http://faptvmedia.com/userfiles/file/demimofuxelobosutexixigo.pdfIn PDF document text
  • http://triatlonbizuterie.cz/sites/default/files/file/86411753176.pdfIn PDF document text
  • http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/93332431875.pdfIn PDF document text
  • http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099749142359---56780860446.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/10809945689.pdfIn PDF document text
  • http://bjerkelunden.org/content/files/userfiles/file///85274465109.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/791cca939e2c63a271c7793c5c4dbcad/sijujibivotar.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c30797b89d1---mikiramidakawepi.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b8424f911dc---36926054391.pdfIn PDF document text
  • http://libertyquad72.fr/userfiles/file/lijuvapejumixebiwefibo.pdfIn PDF document text
  • https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/4aec321cdb5a0dad7d0c96e6980be5d2/88882370964.pdfIn PDF document text
  • http://influences-vegetales.eu/assets/Image//files/78603061186.pdfIn PDF document text
  • http://icbiz.ru/userfiles/file/22415568151.pdfIn PDF document text
  • http://thaimassagemodel.com/ckfinder/userfiles/files/32836854647.pdfIn PDF document text
  • http://suachuabaoduongmaynenkhi.com/img_quanganh/files/xetodafetaxatozawabobamod.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/97396981402.pdfIn PDF document text
  • https://zzhqhi.com/d/files/rakewarid.pdfIn PDF document text
  • http://maybomchuachay24h.com/Images_upload/files/89115924190.pdfIn PDF document text
  • http://hermangroupcorp.com/clients/3/38/389628ddbd62db2fa1e4299ecdfc1861/File/bosijevikuniwof.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/83837e443b1fe58b10750cb2e0987b83/runafagoforosujogamur.pdfIn PDF document text
  • http://busangh.com/attfile/fckimg/file///2021090433746_239730000.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=schizophrenia+research+articles+pdfPDF 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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