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.
• 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) 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://dafemum.ru/123?utm_term=landlord+deposit+return+letter+template PDF link annotation

  • https://cdn.sqhk.co/rogokivika/dnGjjv8/naputago.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4451744/normal_5ff7819fc8d72.pdfIn PDF document text
  • http://j3vnci4.xyz/6390565039foloh.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415544/normal_603ac35926b0b.pdfIn PDF document text
  • https://cdn.sqhk.co/moturalogupe/he4ichc/gerber_money_clip_utility_knife.pdfIn PDF document text
  • http://medicinfo.online/mary_poppins_song_list_musicaluwcw0.pdfIn PDF document text
  • http://cocobuka3.xyz/bissell_proheat_operating_instructions58nmo.pdfIn PDF document text
  • https://cdn.sqhk.co/suwinodujeja/Siajhhg/zuwututubopiwajuje.pdfIn PDF document text
  • http://fabulouss.space/ryobi_bt3000_extension_tablerlu0a.pdfIn PDF document text
  • https://cdn.sqhk.co/bomumuxa/fM0hgSK/14941355809.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368977/normal_6023ea35c8540.pdfIn PDF document text
  • https://cdn.sqhk.co/vukobefebu/jbggRhb/kelefunevexozer.pdfIn PDF document text
  • http://getfreecreditreport.info/94830039495y4u1h.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://34ea5197-a9e9-4ba5-99bb-a7dd7aeba98b.filesusr.com/ugd/234f58_145d67f4654a405ab29f408cab9c1dc5.pdf?index=trueIn PDF document text
  • https://cd29ef07-728f-4a0b-b57b-23e770395c36.filesusr.com/ugd/f14cf6_eae214d61f764d0f82b5dace968b16b4.pdf?index=trueIn PDF document text
  • https://2791e1c6-719d-47aa-bdc5-1556df251b63.filesusr.com/ugd/7757c5_0b375fd76fce4739b4aa911ac7be83ee.pdf?index=trueIn PDF document text
  • https://91ca87c2-c493-4616-adaa-fbcec45394e1.filesusr.com/ugd/6116da_f9520cd9e8824b4fad58d6326a2adfaa.pdf?index=trueIn PDF document text
  • https://c3438639-6a75-4920-aa4f-d1e0b619354f.filesusr.com/ugd/3be3a7_e7d4417959e04480a52f5689041cd8b9.pdf?index=trueIn PDF document text
  • https://fa5d8e44-005d-4c05-925d-ba60cb7f5023.filesusr.com/ugd/121e37_96b2f7caebfd4ce19a721a46f5cc537f.pdf?index=trueIn PDF document text
  • https://46c19374-600d-43be-a5f2-d8bf07c6fddf.filesusr.com/ugd/cc94a4_69739cb3ca12470db5647e3fddbf5163.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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