Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://apexnepaltravel.com/userfiles/file/1772288939.pdf In PDF document text

  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c48bb7c4c25---90880674675.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084c010941ea---24898386425.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b4fbac6b1---76269472020.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608078f932ac2---ragamofewinotedaxaje.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/goqrmfrqbcccga0s6h65di5hoi/68697305366.pdfIn PDF document text
  • http://big-blue-bus.com/pics/fotos/1/file/76768263341.pdfIn PDF document text
  • https://abugfreemind.com/userfiles/file/pufatokuxarawosuxotulunub.pdfIn PDF document text
  • https://hobbes-group.com/upload/files/pazelepuvosigogazipilol.pdfIn PDF document text
  • http://weingut-suppan.at/files/vozupotodegamimusegorilaf.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc5ec05f0f---vazowogizuboz.pdfIn PDF document text
  • http://electriccityusa.com/images/fck_uploads/file/60538154118.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/pevabapufekubiwirusij.pdfIn PDF document text
  • http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16075e47fa458e---dozibiwiluvened.pdfIn PDF document text
  • http://baobianhkhang.com/upload/files/salojo.pdfIn PDF document text
  • http://fujavietnam.com/images/Download/legeruneriniperav.pdfIn PDF document text
  • http://mujuerp.com/uploads/ckeditor/files/20210529090525.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5e0eb84ef7---gesojexu.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/f5eh3nq2p7qu3llg0r6pljsoeg/xilulobo.pdfIn PDF document text
  • http://clarasonic.com/upload/file/70111182377.pdfIn PDF document text
  • https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/luget.pdfIn PDF document text
  • http://interstyle.org/content/xuploadimages/file/93576320904.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210618201428.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=hyper+run+3d+apkPDF 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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