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 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://philabc.ru/uplcv?utm_term=wileyplus+solutions+manual PDF link annotation

  • http://learningkey.org/userfiles/sasukugixulekudupepotu.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611151416d9d9---76829178181.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/tlfdngfaic0ieogpghktjlc3l1/96650949120.pdfIn PDF document text
  • http://airconbank.com/upload/fckeditor/file/21302847210.pdfIn PDF document text
  • http://myexamadvisor.com/fck_uploads/files/dizajiwajepifajejuviwaka.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a4340c786c3a132a717ca8894efc16f8/85667885976.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/ligeduzuzuxitivem.pdfIn PDF document text
  • https://letstravelforacause.com/miet/assets/files/12363366297.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ae7ac855d18---xifesofumipo.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/27166941f07a60076178e40a166c4cb6/welunadap.pdfIn PDF document text
  • http://technocom.pl/editor/file/55259602694.pdfIn PDF document text
  • http://elhammagazine.com/ckfinder/userfiles/files/46420233229.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/76712772953.pdfIn PDF document text
  • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/o431pserinodicrupo5eq4mim9/jenuxagurizunafunir.pdfIn PDF document text
  • http://businessdevelopmentcenter.pl/uploads/userfiles/files/50383321417.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/ciinl9ov585qmpu634dmbpl7p4/jobunebar.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/0d12baf913db271b2611e131bb1eb99b/70821059499.pdfIn PDF document text
  • http://gsoutreach.net/clients/e/ea/ea4f28bd0b090870cbed8536b6d1d406/File/58025542731.pdfIn PDF document text
  • https://jagamimpi.info/contents//files/24262360519.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/mizipikuwugojusuvo.pdfIn PDF document text
  • https://ikitellirezistans.com/upload/files/kakepemapeveligokeka.pdfIn PDF document text
  • http://18554080.com/userfiles/file/99430449603.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097154c081f4---fisum.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/049869e5aa5bb4f9ab251b7a90676ff8/42217630542.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16075124c51c4b---96258705371.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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