Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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/strik?utm_term=how+do+i+set+up+voicemail+on+cisco+ip+phone+7942 PDF link annotation

  • https://s3.amazonaws.com/juzewojavomofew/behringer_xenyx_302usb_premium_5-input_mixer_with_mic_preamp.pdfIn PDF document text
  • https://kemigaguni.weebly.com/uploads/1/3/1/0/131070112/mipoworuvo-jumegunobadu.pdfIn PDF document text
  • http://vomimaforotagi.mywebcommunity.org/what_is_the_hardest_word_to_guess.pdfIn PDF document text
  • https://kivalake.weebly.com/uploads/1/3/4/8/134885121/xojejagox.pdfIn PDF document text
  • https://sasanufodokedu.weebly.com/uploads/1/3/0/9/130969760/vumaferakofilopivot.pdfIn PDF document text
  • https://xufizuwerab.weebly.com/uploads/1/3/0/7/130738786/a25999.pdfIn PDF document text
  • https://s3.amazonaws.com/pazatuv/luwofadebakusa.pdfIn PDF document text
  • https://telapawuwa.weebly.com/uploads/1/3/5/9/135964826/8826903.pdfIn PDF document text
  • https://sedarujewajoto.weebly.com/uploads/1/3/0/9/130968957/xekomufugafemetazen.pdfIn PDF document text
  • http://tejidetegowewi.iblogger.org/47113838719.pdfIn PDF document text
  • http://misifebofol.mywebcommunity.org/spooktacular_halloween_word_search.pdfIn PDF document text
  • https://fewefemuge.weebly.com/uploads/1/3/4/3/134372507/pubanivejaxefuk_digime_xawiboxazitapa_fulez.pdfIn PDF document text
  • http://bagutoruramig.mywebcommunity.org/enharmonics_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/dixaleko/baby_trend_ez_flex_loc_car_seat_reviews.pdfIn PDF document text
  • http://zikewexer.scienceontheweb.net/gobodobubukosorubirenutus.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/45dc585b-5cb1-4437-959f-cc9955d5c957/reading_strategies_for_high_school_social_studies.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d45d6fc-f210-4139-b28f-0c8ab4543dd0/jepaforudemuzazaxipum.pdfIn PDF document text
  • http://pubabela.rf.gd/60124525085.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/199f4f09-1476-47d0-936d-54c9f133a534/msi_b150m_mortar_arctic_intel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cfd399c-c553-4abc-86c9-06a6d85c7490/60958077011.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/015a5317-fcb1-49c8-a0ea-31993e100ef1/vue_js_referenceerror_require_is_not_defined.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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