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://maypoin.ru/strik?utm_term=realizar+un+ejemplo+de+un+ensayo+argumentativo+con+su+respectiva+estructura PDF link annotation

  • http://clebohets.xyz/kadepigejiwanifekunapudokdlpiq.pdfIn PDF document text
  • https://cdn.sqhk.co/bufilimel/iieWjb1/wegakilozokekalo.pdfIn PDF document text
  • https://cdn.sqhk.co/nukusigemug/ehoibji/subway_princess_runner_apk_uptodown.pdfIn PDF document text
  • https://cdn.sqhk.co/gonolesuzam/id3G9Rm/zeraki_learning_apk_download_for_pc.pdfIn PDF document text
  • https://cdn.sqhk.co/zifeduwa/ji92KQj/52972365673.pdfIn PDF document text
  • http://dvestideyli.xyz/ios_13._2_public_beta_27gtey.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404975/normal_5fd9687ca73df.pdfIn PDF document text
  • http://antonioit.fun/chemistry_an_atoms-focused_approach_2nd_edition_answer_key8k6v1.pdfIn PDF document text
  • http://instapriz24.online/dinudabuzelimnfj8.pdfIn PDF document text
  • https://cdn.sqhk.co/disegivoji/sjbXSig/87662326419.pdfIn PDF document text
  • https://cdn.sqhk.co/jategumeb/1VMgdG8/change_my_voicemail_to_english.pdfIn PDF document text
  • http://idslim-italia.site/rosidamilodaxomifekivesqhrnk.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383688/normal_604343aa4ae39.pdfIn PDF document text
  • http://boomua.site/dash_mini_pie_maker_reviewsv16en.pdfIn PDF document text
  • http://ukrdomonis.xyz/45638698476y7h88.pdfIn PDF document text
  • http://usesol.xyz/nazm_hikmet_gzel_iirleri_ksapvqr2.pdfIn PDF document text
  • https://cdn.sqhk.co/zepipawetopi/dYFaPOJ/vexedafag.pdfIn PDF document text
  • https://cdn.sqhk.co/talurelope/9Yhg7gj/fuleji.pdfIn PDF document text
  • https://cdn.sqhk.co/fekurisakez/hgghdgj/luke_combs_song_hurricane_lyrics.pdfIn PDF document text
  • http://klossheff.xyz/76753866138kq24k.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4455898/normal_603d761744815.pdfIn PDF document text
  • https://cdn.sqhk.co/savageven/hajhyij/befagizopebedolinam.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://7fc1e5b2-1dd8-4457-9de2-3dea1ab9f589.filesusr.com/ugd/fedd61_128a2195208e46c7a1f2697ec529644e.pdf?index=trueIn PDF document text
  • https://36071b1a-d853-4ad1-bccf-0ed894d94038.filesusr.com/ugd/906e9f_f4ee0c2951974b2389914181b17a9539.pdf?index=trueIn PDF document text
  • https://69c5641f-197a-42c1-bef1-daa502c1f1d7.filesusr.com/ugd/948cea_e4a4948f77d54bc4a85d746564b53ee8.pdf?index=trueIn PDF document text
  • https://1c437d0a-cccb-4a8a-93f1-39e0b5126915.filesusr.com/ugd/b91566_5bff7efe01aa4d03ad413ce8a5f98449.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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