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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://xezojetit.ru/123?utm_term=consumer+reports+cars+free+online PDF link annotation

  • http://fijexojor.getenjoyment.net/ap_grama_sachivalayam_books.pdfIn PDF document text
  • http://netewe8.xyz/77181986542gup48.pdfIn PDF document text
  • http://psylath.com/7348105249030ao2.pdfIn PDF document text
  • https://cdn.sqhk.co/vakiduju/TFV4zec/elite_killer_swat_gameplay.pdfIn PDF document text
  • https://cdn.sqhk.co/tononapiwaso/gjugigg/1919366461.pdfIn PDF document text
  • http://sysfix.ru/highest_cr_monster_in_pathfinderik3mk.pdfIn PDF document text
  • https://cdn.sqhk.co/zimidenex/iejiiiz/happy_color_color_by_number_free_download.pdfIn PDF document text
  • http://gubixazolela.sportsontheweb.net/why_is_my_gas_stove_beeping.pdfIn PDF document text
  • https://cdn.sqhk.co/nuzinirumawe/gjejycM/dj_horn_app.pdfIn PDF document text
  • http://privateguardingserviceagainstdanger.site/42955240056r6lcz.pdfIn PDF document text
  • http://frukt.fun/how_to_recondition_a_ryobi_18v_batteryfoopg.pdfIn PDF document text
  • http://numberoone.xyz/30956752580jc0gg.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://97a45c9e-1ab5-462a-bfe2-fded34b9a8b9.filesusr.com/ugd/b50c55_45c15c30fb004543a4e1bb7311d8ef5b.pdf?index=trueIn PDF document text
  • https://357b8bef-7330-4cfe-b31d-389db25c4d5a.filesusr.com/ugd/4c76bf_f0e6e4ca46ba4bc2acb67ded36c3b868.pdf?index=trueIn PDF document text
  • https://52a72965-a6d2-471e-b66a-59a59a4d663b.filesusr.com/ugd/e643da_0337d1f98083460eb30297ff49b1a99f.pdf?index=trueIn PDF document text
  • https://183cab0c-2e2b-44e6-b55a-0f82cb58e578.filesusr.com/ugd/133137_9d27b7d8f2404ea7b172687b1d2685cc.pdf?index=trueIn PDF document text
  • https://4f0754e2-f0c4-47db-826b-83042027646c.filesusr.com/ugd/7a11b0_d7e618aac5f34302872f33ff1be166e3.pdf?index=trueIn PDF document text
  • http://bivojeda.atwebpages.com/76348588655.pdfIn PDF document text
  • https://c4bedd8b-a3e9-4aa8-9751-a6fde4035b7e.filesusr.com/ugd/037f08_1082368c46784a9f92089ca8c993a88e.pdf?index=trueIn PDF document text
  • https://e25b5f36-ee09-4010-8803-019b2853a23b.filesusr.com/ugd/c34eac_0abdb4d86ed34514b9b30d59aef0ccce.pdf?index=trueIn PDF document text
  • https://25cf7bc6-226b-4013-96fa-c64d334b7dac.filesusr.com/ugd/317e1a_33ebfdb1f5944f91b3bb4bf951e0a422.pdf?index=trueIn PDF document text
  • https://2987c0f4-171e-4473-b3f1-a5468658115b.filesusr.com/ugd/75ff8a_33cbfc9811a647a89cf4b4c86daa321d.pdf?index=trueIn 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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