Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://wejobufobugof.weebly.com/uploads/1/3/5/3/135348322/51cfd5.pdf.
• 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://vilenefex.ru/123?utm_term=parenthood+sims+4+free PDF link annotation

  • https://wejobufobugof.weebly.com/uploads/1/3/5/3/135348322/51cfd5.pdfIn PDF document text
  • https://desebenenoda.weebly.com/uploads/1/3/5/3/135348916/1381082.pdfIn PDF document text
  • https://cdn.sqhk.co/wifopuzuxiba/fhioL09/80361986164.pdfIn PDF document text
  • https://kaperimivegorew.weebly.com/uploads/1/3/4/3/134371305/vivabosoluniv.pdfIn PDF document text
  • https://dukifuti.weebly.com/uploads/1/3/1/4/131437117/rurazukinidu.pdfIn PDF document text
  • https://cdn.sqhk.co/mujekesire/dOigihY/balance_bmx_bikes_for_sale_australia.pdfIn PDF document text
  • https://cdn.sqhk.co/dijabidasu/b1Ggdhg/easy_recharge_app_download.pdfIn PDF document text
  • https://cdn.sqhk.co/xuvomuvugu/ghhefij/oil_price_news_today_philippines.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415046/normal_600d816b1c70e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379605/normal_5fea379b2015a.pdfIn PDF document text
  • https://koxowugazetumul.weebly.com/uploads/1/3/6/0/136015765/nebilo.pdfIn PDF document text
  • https://cdn.sqhk.co/rusefijow/dviighp/coffin_dance_meme_roblox_music_id.pdfIn PDF document text
  • https://cdn.sqhk.co/gowamojon/ciid5Lm/dunia_games_pubg.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://6afed14e-2b01-442b-8c2e-11a8a6f39965.filesusr.com/ugd/46a5ae_6f56dd022ed046198ccfa63de3cfcf87.pdf?index=trueIn PDF document text
  • http://tiluxusimutine.atwebpages.com/96982982481.pdfIn PDF document text
  • http://kulebosux.myartsonline.com/harry_potter_books_chronological_list.pdfIn PDF document text
  • https://60659a61-a27b-47ea-8eac-a81775c62269.filesusr.com/ugd/7a7fb1_b1093ac33e7b4af9bf8e2417805f0d73.pdf?index=trueIn PDF document text
  • http://timojodabemisux.myartsonline.com/motajazuvipinukeloxo.pdfIn PDF document text
  • https://2c549fd3-bbcc-4e43-aea5-84609313cfd4.filesusr.com/ugd/c162b3_d268e1e011b4481ebb5af266071ac67a.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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