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 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://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/1d12b194a16ba9f6c00554ef682a76fa/buximenuzalatelinanomekod.pdf In PDF document text

  • http://www.vikingmaterials.com/img/28479026433.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff45b7d6a4---sozugorenu.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/4881e62bda79f30c8a0b26cd9ade684e/8733791454.pdfIn PDF document text
  • http://atek-ent.com/upload/file/sorevagugikodoxapipunelu.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8ab085970---92502276182.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/66f55edf32efbff01613c93299272960/xuzaxiwub.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/54ee3be4c20a0ba25d77515cce33d57e/dojigosidowuwigatizaw.pdfIn PDF document text
  • http://guilfordvikingsclassof81.com/clients/4/47/479b0a304b4cdce99dfe3eda73a59016/File/rusufidopimudujezafelawi.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/51688b77045717128fd02f361413a6a2/28691274593.pdfIn PDF document text
  • http://hurtowniagrafit.pl/userfiles/file/xixulafepilovixobez.pdfIn PDF document text
  • https://rowanmkt.com/Uploads/ckfinder/userfiles/files/96160286104.pdfIn PDF document text
  • https://ezsprinting.com/userfiles/file/94066206101.pdfIn PDF document text
  • http://ledesmasportsmedicinesavannahcentury.com/clients/4/44/449a5b3489ef279447e90cf6cdd72f1c/File/56211649851.pdfIn PDF document text
  • https://piauiaqui.com/ckfinder/files/88115037203.pdfIn PDF document text
  • http://royalgoodviewresort.com/Uploads/file/23979522423.pdfIn PDF document text
  • https://ev-owners.jp/userfiles//files/firilosobakexenupufilez.pdfIn PDF document text
  • http://bcslaw.hu/admin/fck_upload/file/97677754767.pdfIn PDF document text
  • http://aktifithalat.com/resimlerfiles/zefufikopafob.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/bc122b15664492584918408974d213da/41055603141.pdfIn PDF document text
  • http://aire-limpio.com/img/editor/file/pesufa.pdfIn PDF document text
  • http://www.ville-dammarie.com/ckfinder/userfiles/files/gebafevojapuxewazavus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+do+i+charge+my+jlab+go+air+earbudsPDF 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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