Malicious PDF — malware analysis report

Heuristics 6

• 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://vidojibirulon.weebly.com/uploads/1/3/1/0/131070792/3029088.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.
• 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://ttraff.me/123?keyword=kymco+agility+50+parts+manual In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366041/normal_5f8700f792cb5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382193/normal_5f9216b3a271e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386354/normal_5f8fb80685b65.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376103/normal_5f932bca5ad0a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366029/normal_5f87ad57e0cc0.pdfIn PDF document text
  • https://vidojibirulon.weebly.com/uploads/1/3/1/0/131070792/3029088.pdfIn PDF document text
  • https://kudojazejugir.weebly.com/uploads/1/3/4/3/134322101/zegesuroj.pdfIn PDF document text
  • https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/2410368.pdfIn PDF document text
  • https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/gogisiluvaw.pdfIn PDF document text
  • https://radigaligoled.weebly.com/uploads/1/3/4/3/134333621/sagobovafenife.pdfIn PDF document text
  • https://zelapagetuwuj.weebly.com/uploads/1/3/1/4/131406140/fdf17a0.pdfIn PDF document text
  • https://lajojixuvoporor.weebly.com/uploads/1/3/0/7/130738555/rateradapes_zamobomulig.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/5e7f5686d0.pdfIn PDF document text
  • https://ligexomapaku.weebly.com/uploads/1/3/4/3/134321337/4048532.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000055b1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000055b1.bin)
  • https://s3.amazonaws.com/wilugugo/allstate_r3001_exclusive_agency_agreement.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/losobotolemixalilesuge.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/nifaboteropekixepi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a7dfa39-bf87-4d72-8917-f348d1753d64/kiwefanuza.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d3cc582-e901-48d2-93e5-cd071f5f0b71/dekid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a3df325-a487-4781-9722-21137211c929/wumexewosorevijipoz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/626ccd06-aee5-47c5-9875-0d751484de90/jenupibexan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96872cbc-a4de-4574-b9f8-88487b6ba001/12865919483.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/3295/1446/files/lowepi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/6050/1921/files/zubesos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/6136/1821/files/facebook_sdk_android_studio.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 extracted file (font_00_sfnt_off000055b1.bin)

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