Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://mitenipup.weebly.com/uploads/1/3/4/3/134363071/5b90fe5626.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.
• 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://jumiwimov.ru/123?utm_term=navient+in+school+deferment+form+fax+number PDF link annotation

  • https://mitenipup.weebly.com/uploads/1/3/4/3/134363071/5b90fe5626.pdfIn PDF document text
  • http://labiosdewonda.com/67510819466a47w6.pdfIn PDF document text
  • http://igonlinesupport.com/niturevj8zlo.pdfIn PDF document text
  • http://souve.me/sitinipeteroxegamefejx3p4.pdfIn PDF document text
  • http://cheatyou.site/norton_field_guide_to_writing_4th_edition_onlinelzsha.pdfIn PDF document text
  • http://safetymirrors.xyz/75225671576p6i32.pdfIn PDF document text
  • http://fit-italy.space/14540678688hwzoi.pdfIn PDF document text
  • http://goodsun.fun/karuppusamy_kuthagaitharar_vadivelu_comedy_freedr2io.pdfIn PDF document text
  • http://swiss-gear-top.xyz/70623291439e6f5e.pdfIn PDF document text
  • http://film123watch.com/what_kind_of_oil_for_harbor_freight_compressorajs69.pdfIn PDF document text
  • https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/6439654.pdfIn PDF document text
  • https://gawozigojuvapa.weebly.com/uploads/1/3/4/8/134896601/podojopesuvok_dijubetuselal.pdfIn PDF document text
  • https://jatekowi.weebly.com/uploads/1/3/0/7/130776123/jokokin.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://2b81f3f0-3f46-42ff-87a7-5865dd96cd3c.filesusr.com/ugd/fb41f9_bc3fe84a80094c99822416ddc9643346.pdf?index=trueIn PDF document text
  • https://73e25548-3913-4bbb-aa69-a1b25f69568d.filesusr.com/ugd/cece23_bb6caab8d33642c0af49dd7b0fe09c5d.pdf?index=trueIn PDF document text
  • https://504b7f7c-d27d-4f2b-a6eb-e8dc7cf660cf.filesusr.com/ugd/6ba015_e7fd4a37ca4545128d4a44879641e667.pdf?index=trueIn PDF document text
  • https://661c91a2-68a2-4ae3-aaac-ef96b6cc7894.filesusr.com/ugd/b926a8_4811da3d2bab49bda30ee3424794a603.pdf?index=trueIn PDF document text
  • https://90ff81fc-98d9-4e53-96a3-aaa5c1c2042e.filesusr.com/ugd/bb5aff_b84bb501036d4c9b81a9909c47106f87.pdf?index=trueIn PDF document text
  • https://cc67bef4-e22e-42fd-bf01-3f02b15f800b.filesusr.com/ugd/080020_f5a3548618f74de2b63fa6ff93f70176.pdf?index=trueIn PDF document text
  • https://9f5bcc56-a059-4f00-ae85-604acd6a3d2d.filesusr.com/ugd/ac9354_511662913c5c4d1b89045c0ae2b8012d.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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