Malicious PDF — malware analysis report

Heuristics 7

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/pazakafevazetawutu.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.
• 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.
• 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://gettraff.ru/123?keyword=c%25C3%25A1ch+hack+pubg+mobile+vn+tr%25C3%25AAn+android In PDF document text

  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/pazakafevazetawutu.pdfIn PDF document text
  • https://debasomi.weebly.com/uploads/1/3/0/7/130739769/warupobaw.pdfIn PDF document text
  • https://roninuvanajeg.weebly.com/uploads/1/3/1/3/131379749/nojoroxebivutopuwo.pdfIn PDF document text
  • https://jobubati.weebly.com/uploads/1/3/1/4/131453688/getabexugabuxave.pdfIn PDF document text
  • https://kenilajapa.weebly.com/uploads/1/3/1/0/131069910/latonud-nofazadexukopo-jakiwunulok-lovofanutobur.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/4102594.pdfIn PDF document text
  • https://nikokabiliru.weebly.com/uploads/1/3/1/4/131409463/wepuvumida.pdfIn PDF document text
  • https://rezizeme.weebly.com/uploads/1/3/0/7/130775554/sodim-dajozigesozix-sojesumupusimow.pdfIn PDF document text
  • https://wefejakero.weebly.com/uploads/1/3/0/8/130814310/75953066830a257.pdfIn PDF document text
  • https://jumuwubugunitus.weebly.com/uploads/1/3/1/0/131070493/7414141.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366011/normal_5f873c853775f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366022/normal_5f86ffd0755cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366312/normal_5f8724a6a5db6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365542/normal_5f8747420149b.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://uploads.strikinglycdn.com/files/75d6a1ca-0577-40d0-b23a-f12025ee772a/95933188369.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5dbd9c9-8b83-4077-9760-128addff55b9/biwixo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf69525f-5c90-4531-bd92-01f5835447de/lugedumewe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e4e9bea-0781-4587-aeba-0f11655aaeee/bopivububumaratakenebumol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8591/7088/files/unit_1_psychologys_history_and_approaches_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3516/7400/files/px12072-hg_12v_7.2ah_verizon_fios.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/2001/0140/files/cant_start_the_man_who_cried_wolf_skyrim.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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