Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ddaca6395b9159f…

MALICIOUS

PDF

68.6 KB Created: 2020-12-03 23:18:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-25
MD5: af50dc607b75bf45374cc6e300676b90 SHA-1: ff98d744b69c0b3c18ab35458834bf3ff97c7210 SHA-256: 3ddaca6395b9159fd9cae07919a31593e6578b9fce337b40b4fc4f35e6745add
244 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • 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://gettraff.ru/strik?utm_term=we+alone+alice+walker In PDF document text
    • https://gokajafiwewafij.weebly.com/uploads/1/3/4/3/134314986/1598120.pdfIn PDF document text
    • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/jixoxararena.pdfIn PDF document text
    • https://bajusumuke.weebly.com/uploads/1/3/2/7/132741128/satakikopaxura.pdfIn PDF document text
    • https://nujidigazinuwag.weebly.com/uploads/1/3/4/3/134318548/4188041.pdfIn PDF document text
    • https://mozubuwuvufizo.weebly.com/uploads/1/3/4/6/134600540/3bf4657329.pdfIn PDF document text
    • https://fubupudixad.weebly.com/uploads/1/3/4/7/134742266/a352835944.pdfIn PDF document text
    • https://bugadubotureje.weebly.com/uploads/1/3/4/4/134468403/1359032.pdfIn PDF document text
    • https://nugaginidej.weebly.com/uploads/1/3/4/4/134475369/setawifobig-mabose-patusifusav-larol.pdfIn PDF document text
    • https://wodorolijuzawex.weebly.com/uploads/1/3/4/7/134770742/revoruroru-radekofodov.pdfIn PDF document text
    • https://zirufifun.weebly.com/uploads/1/3/0/8/130874679/bipusukabitax-lajemiw-zebixerevudoka.pdfIn PDF document text
    • https://kadukutinebi.weebly.com/uploads/1/3/4/7/134747046/df3dbb8f8cdd834.pdfIn PDF document text
    • https://jamekefexufi.weebly.com/uploads/1/3/4/8/134866820/3fac50a48c45.pdfIn PDF document text
    • https://wozofawado.weebly.com/uploads/1/3/0/8/130874325/tidodefujiv_fekivekuwamemos_vasokaxig_dalemanub.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/zerejibixupav/phoenix_university_ecampus_portal_login.pdfIn PDF document text
    • https://s3.amazonaws.com/semuxemakaw/nexigasokakosupul.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/42db6dba-fe94-47a7-b3a3-ae0ef1ef4273/administracion_libro_de_stoner.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d25c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD25C 4784 bytes
SHA-256: cb993a447d4a1e95a1eb933d7892352eb13cd3af4f30093160e3998bc02a6258
font_01_sfnt_off0000e2cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2CD 10268 bytes
SHA-256: 0180c18a2353d40340aa5c208862da628cc5d490efc0e4c18a16a28df34c6cf6

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