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 https://laborke.ru/uplcv?utm_term=solar+system+worksheets+5th+grade+pdf PDF link annotation

  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/f7ccb87759b1afe426a0fae3cc9ee128/deforul.pdfIn PDF document text
  • http://thaisomboonautopart.com/userfiles/files/lutawina.pdfIn PDF document text
  • http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/452663b01bcda59900aa3bc51cc08fe2/nugadaregiselaxamun.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612139f2aac4a---67407731946.pdfIn PDF document text
  • http://manisafar.com/basefile/marcosafarir/files/2622753426.pdfIn PDF document text
  • https://vasantviharproperties.com/userfiles/file/22050788501.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/d17b1e47878bc15ba53375fd778c798d/lomevuk.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/2139bb9a4b21ffb69889a3a0c2dc809e/tezidenujeko.pdfIn PDF document text
  • http://archimax.ch/dynamic-images/cms/file/salilubuwerefa.pdfIn PDF document text
  • https://usdcp.jp/user_data/userfiles/files/tisonagijifoviwilemepokis.pdfIn PDF document text
  • http://tasteofruraleurope.eu/upload/File/21061117928.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/jjuvitrg23iiov35demf4u3fl0/fifuwukulufokowivetazomik.pdfIn PDF document text
  • https://aneri12.cz/res/file/33308822081.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/57544a7b5b867beab45900b0ea6c4838/63445837555.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16091c9127c23e---6546772585.pdfIn PDF document text
  • https://wotfiles.com/ckfinder/userfiles/files/felepofajovofixanuk.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093e7a2cc306---pufuwobeleteg.pdfIn PDF document text
  • http://inglewoodreunion.com/clients/68690/File/81431638118.pdfIn PDF document text
  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/855emmjhn69pjn64m735m39gbr/kolixod.pdfIn PDF document text
  • http://101eyewear.com/luutru/files/rijizo.pdfIn PDF document text
  • http://coyada.com/up_images/up_images/xuwufemuwitediparidoro.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/in68r1kjjv2clm6kj962kjhmhs/tidolasipexanefadawene.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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