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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://leonvi.ru/wix?keyword=bernina+1130+service+manual+pdf PDF link annotation

  • https://xedaliwim.weebly.com/uploads/1/3/1/4/131454603/4401168.pdfIn PDF document text
  • https://fepexugoroba.weebly.com/uploads/1/3/4/4/134469665/gufoze.pdfIn PDF document text
  • https://cdn.sqhk.co/gikunixa/7hhsggN/20193592108.pdfIn PDF document text
  • https://cdn.sqhk.co/butituguxur/Lyghjgm/36502900417.pdfIn PDF document text
  • https://cdn.sqhk.co/sitosuduf/jc7bia5/widopuxuzitozuxafamabet.pdfIn PDF document text
  • https://cdn.sqhk.co/fijajiles/gdxgiha/curl_file_to_filename.pdfIn PDF document text
  • https://cdn.sqhk.co/nibijegun/htsjgit/866109522.pdfIn PDF document text
  • http://sowopezamiw.medianewsonline.com/knowing_god_s_will_for_your_life.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/56425e24-bc4f-48b6-9e61-ce66cc493a0c/how_to_get_check_engine_light_off_jeep_wrangler.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a2c098e-ce5b-44c1-b8a0-bbace5ad1dca/gadedaxobizajapewexabun.pdfIn PDF document text
  • https://f74ea38a-ab8d-49a0-8d31-9a1d7ce64423.filesusr.com/ugd/5ceade_37c0c67a9c01443297106eee5fde06a8.pdf?index=trueIn PDF document text
  • https://91953a53-6f32-4f2a-9b2e-0f954541ff31.filesusr.com/ugd/dad90e_0ee6476341fb4f82b3db48b4635a53ba.pdf?index=trueIn PDF document text
  • http://kakavogulogij.onlinewebshop.net/laissez_faire_leadership_style.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5773036e-61d5-4b90-842c-214071177ee0/miniature_dachshund_puppies_for_sale_uk_preloved.pdfIn PDF document text
  • https://0926596c-b1e6-4473-87d6-fed2e709bfeb.filesusr.com/ugd/e2a635_78f7f9fec5874255a6c732bf2fe19aab.pdf?index=trueIn PDF document text
  • https://d6a293f2-6876-493d-91b7-c13182b05023.filesusr.com/ugd/bcaa7e_b48c91cdf86b48d4b468492c63abbe9d.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/388031b8-16cc-4c33-a61a-dd0515cdb2b5/47865196896.pdfIn PDF document text
  • https://d8ec88ce-93b1-4b83-b294-7016fd5b5063.filesusr.com/ugd/366252_bdf11cb9588f4b4fb55c4388516081e7.pdf?index=trueIn PDF document text
  • https://c931c956-7f53-4e4e-96dc-27d7f003ba63.filesusr.com/ugd/b80c10_b1990fa415174145ac756557511010ca.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
  • https://uploads.strikinglycdn.com/In macro / runtime command snippet
  • http://scripts.sil.org/OFLIn PDF document text

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