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.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://baarspo.ru/123?utm_term=rrb+hall+ticket++link+2018 PDF link annotation

  • https://cdn.sqhk.co/sekigizakeku/geHghij/lofukinu.pdfIn PDF document text
  • https://kalujobad.weebly.com/uploads/1/3/4/3/134390175/07d096e44.pdfIn PDF document text
  • http://zebisol.mypressonline.com/livro_iniciao_espirita_gratis.pdfIn PDF document text
  • https://cdn.sqhk.co/luketopaja/3Grhibf/mozilla_firefox_android_apk.pdfIn PDF document text
  • https://bagetakibejo.weebly.com/uploads/1/3/1/8/131871627/fiwawutifova.pdfIn PDF document text
  • https://xifofenanupov.weebly.com/uploads/1/3/4/8/134857182/tomukarisusojod.pdfIn PDF document text
  • https://cdn.sqhk.co/xiteduva/RWrYDZg/screen_recorder_no_watermark_free_download.pdfIn PDF document text
  • https://kukavijeri.weebly.com/uploads/1/3/3/9/133997324/2005516.pdfIn PDF document text
  • http://porizaritofo.mypressonline.com/what_is_the_formula_for_compound_interest.pdfIn PDF document text
  • https://budawimimizav.weebly.com/uploads/1/3/0/8/130873912/gumazezituten.pdfIn PDF document text
  • http://jopagozopive.medianewsonline.com/19354186517.pdfIn PDF document text
  • https://cdn.sqhk.co/pijujuweg/gEhfib1/xirexojubutopalogipu.pdfIn PDF document text
  • http://fuvesozufinefi.medianewsonline.com/sanford_meisner_on_acting_book_review.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://599b09cd-7b6a-4758-94a3-08a08d316165.filesusr.com/ugd/628a76_ce47522f6d534e22a2b15cf64d923273.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/kobivimelelo/kobalt_air_compressor_60_gallon_manual.pdfIn PDF document text
  • https://de2a8dfc-dc8d-4d62-be3b-f97abdd17bf6.filesusr.com/ugd/c722c2_23d3f3f529aa40bf9b2217d4f73bc798.pdf?index=trueIn PDF document text
  • https://d064ede3-316f-4d13-8ec5-014b2136b3bd.filesusr.com/ugd/154db6_873ecb4474e04af0902ec3f0aceb10bf.pdf?index=trueIn PDF document text
  • https://8dfd47f4-e591-4377-92a3-bdbf91d41e5a.filesusr.com/ugd/a58b01_4c01431eae9b4f2aa4f322be072b399a.pdf?index=trueIn PDF document text
  • https://24218389-b518-4ca3-8548-65eaf758daa4.filesusr.com/ugd/c836c3_cc1777cfe0fd4a83aac9c74618fa0291.pdf?index=trueIn PDF document text
  • https://ebba3e40-d49f-4cc8-b137-373bb1124918.filesusr.com/ugd/384ea4_40f29ffca20947469a89be582a41dd6a.pdf?index=trueIn PDF document text
  • http://fuvarijes.atwebpages.com/sonomazizug.pdfIn PDF document text
  • https://14864a69-2465-45da-a912-c6f78a3f99b9.filesusr.com/ugd/409ca8_3b2827f29b0e4c3f82676ee6b89c277c.pdf?index=trueIn PDF document text
  • https://584abdf6-e408-48d3-a53c-4313a8f82471.filesusr.com/ugd/18ee90_d7593221c7374a12a09e8e382d2f2569.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/fezenur/graco_relay_jogger_travel_system_reviews.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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