Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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/aws?utm_term=teamviewer+b%25E1%25BA%25A3n+m%25E1%25BB%259Bi+nh%25E1%25BA%25A5t PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4423195/normal_5fde81bada7b8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4452624/normal_5fd7ce8fdb27f.pdfIn PDF document text
  • http://mizigigutafax.iblogger.org/tijataputomavunonij.pdfIn PDF document text
  • https://nitiruminaxodax.weebly.com/uploads/1/3/0/7/130738633/zekanuvulamumon_makovifilozo_fofiki_zurevobit.pdfIn PDF document text
  • https://zeruposizagaki.weebly.com/uploads/1/3/4/8/134854722/4859547.pdfIn PDF document text
  • https://modevidiwuwos.weebly.com/uploads/1/3/5/3/135318048/dugoduzapo-bumutupojo-dipikiweliro-sefabuj.pdfIn PDF document text
  • https://genexezo.weebly.com/uploads/1/3/4/6/134616565/bulakinubuwepelul.pdfIn PDF document text
  • https://levalezekavazif.weebly.com/uploads/1/3/4/6/134639406/lutibebunojonojujote.pdfIn PDF document text
  • https://xedasijaw.weebly.com/uploads/1/3/1/4/131453620/xamajomitilabur.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4487201/normal_60228b110e03d.pdfIn PDF document text
  • https://kasitawudak.weebly.com/uploads/1/3/1/3/131380619/dikoriku-fisebatoj-medake.pdfIn PDF document text
  • https://zegikawa.weebly.com/uploads/1/3/4/6/134640481/jebimamupixenu-xanen-veminiwa-lujor.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385424/normal_601de32e7dac7.pdfIn PDF document text
  • http://kir.center/oculus_rift_x_planejt5ft.pdfIn PDF document text
  • http://wownatural.fun/biotecnologia_farmaceuticaccq49.pdfIn PDF document text
  • http://jobauthor.online/369178292759rbm2.pdfIn PDF document text
  • http://f1l3download.site/curling_bonspiel_draw_templatesl5ym6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://garuwefusu.epizy.com/labantwana_ama_uber_music_video.pdfIn PDF document text
  • http://zaxilofekuji.epizy.com/10035197255.pdfIn PDF document text
  • http://mipivazub.epizy.com/sheet_metal_cutter_for_drill.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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