Malicious PDF — malware analysis report

Heuristics 6

• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/93d142075a09c7cfb42a14a8be984f83/1398313316.pdf In PDF document text

  • https://ienter.bg/files/76873741970.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160865e5b18b6b---tapubutad.pdfIn PDF document text
  • http://bannhuaduong.net/upload/files/86885214953.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/75789454352.pdfIn PDF document text
  • http://gerocuki.hu/user/file/fusuku.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/ao9trrmhekdv17al7dgvhueqj0/53267470763.pdfIn PDF document text
  • http://dalnoboy.org/data/filestorage/upload/files/dololilebojugoveguwa.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/f2131acd6634a3fdaf88f85ec85bff50/luwemipurupevaperifonet.pdfIn PDF document text
  • http://fujavietnam.com/images/Download/67952861034.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa0693a135---51122422538.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/daditubarekiwazaw.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/6e43056882c6913b3a801fbbd4651c24/68250244192.pdfIn PDF document text
  • https://www.micron21.com/application/third_party/ckfinder/userfiles/files/80308505623.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/473060b2cded5d0e1e772f6665dee8c3/53597922045.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160daa9e12a88b---31097976539.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a817b6238a---dejazavolediben.pdfIn PDF document text
  • https://maturana.cl/upload/file/47897796432.pdfIn PDF document text
  • http://jhsclassof63.com/clients/c/c8/c8cc7cee7579ddcd469b669c0eb172d8/File/gawile.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/vazaxoteparuka.pdfIn PDF document text
  • http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/97943054035.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/pulukamofoximalumesowi.pdfIn PDF document text
  • http://ed-web.cz/userfilesfile/10322137260.pdfIn PDF document text
  • https://gulceoyunlar.com/calisma2/files/uploads/bufajusowo.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607e467437431---rafexibajugubarobomotozum.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=fanuc+cnc+manualPDF 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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