Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://jacksth.ru/wix?keyword=gta+v+mobile+apk+download+no+verification PDF link annotation

  • http://acgmgroup.ru/mubifukerepebamofafefopsizc4.pdfIn PDF document text
  • http://taforojujutusig.mygamesonline.org/69922643346.pdfIn PDF document text
  • https://cdn.sqhk.co/tamaladafa/e8iaic4/xaweririju.pdfIn PDF document text
  • https://cdn.sqhk.co/susotizakaxe/oihhfgd/adjectives_worksheet_tes.pdfIn PDF document text
  • http://pufivuziviv.mypressonline.com/how_long_do_you_chant_nam_myoho_renge_kyo.pdfIn PDF document text
  • http://epipog.com/39477926360v3ylz.pdfIn PDF document text
  • https://cdn.sqhk.co/wozepefiga/gcaifgh/best_rainbow_cake_in_nyc.pdfIn PDF document text
  • http://raxejudesezix.scienceontheweb.net/numowuwo.pdfIn PDF document text
  • http://bumasujofoj.getenjoyment.net/skyrim_freezes_xbox_one.pdfIn PDF document text
  • http://itmax.info/174053386895cyln.pdfIn PDF document text
  • http://masajsalonunuz.com/zunamuigemf.pdfIn PDF document text
  • https://cdn.sqhk.co/bafiweba/NlymQha/lucky_supermarket_tooele_utah.pdfIn PDF document text
  • http://privateguardingserviceagainstdanger.site/25599128919oxawh.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/b08e8bbd-3cbc-4aa1-91e2-c1e081ee9060/30219754952.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93afff28-2e78-449f-b3fb-38941c1715bc/what_is_expunge_in_k9_mail.pdfIn PDF document text
  • http://femavumifixomud.rf.gd/47520397133.pdfIn PDF document text
  • http://tizesabukabel.rf.gd/vovabofu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8f6f697-16b8-4be1-a9b2-e3e33d3890b7/ensayo_del_libro_carta_a_garcia.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9b9abcf-09fc-4a29-be93-69c40467da2f/vafafewiniler.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f9b704c-55fb-460a-9599-1fb4278acb5a/how_to_write_a_short_synopsis_for_a_novel.pdfIn PDF document text
  • http://xitagewiz.epizy.com/avocado_salad_recipes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cc24363c-4a15-47d7-a15b-b229ec386b2d/96700039771.pdfIn PDF document text
  • http://xezeruv.epizy.com/15216779669.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73cdb9e7-8180-4a27-9955-e8ef9209e4b8/bojezejun.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://scripts.sil.org/OFLIn PDF document text

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