Malicious PDF — malware analysis report

Static analysis result for SHA-256 196e06d9bafd9b87…

MALICIOUS

PDF

72.9 KB Created: 2021-02-26 05:07:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 8c82f521438340ac937cefa11000dc55 SHA-1: a9e468f677b94e9f89456b21b75208bafb063786 SHA-256: 196e06d9bafd9b87b291eeee58ba165a89ac810fd8396290f393e8bcc94f42eb
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 5

  • 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 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.
  • 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://jottigo.ru/award?keyword=what+is+the+best+starbucks+coffee+beans PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4468838/normal_600a564634d28.pdfIn PDF document text
    • https://cdn.sqhk.co/zezinojox/hihhgKP/6413528410.pdfIn PDF document text
    • http://nout-sale.site/69370162476edvpp.pdfIn PDF document text
    • http://kleomaften.online/65844101983m9nnp.pdfIn PDF document text
    • http://siankaanmexico.com/aladin_movie_songs_mingz87lz.pdfIn PDF document text
    • http://shop-you.xyz/8867893572512rpy.pdfIn PDF document text
    • http://cherrypimp.online/why_does_my_dyson_keeps_stopping_and_starting8oqj0.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/risisipajole/nulage.pdfIn PDF document text
    • https://s3.amazonaws.com/zubuwujoxom/daborivelusebalobulumu.pdfIn PDF document text
    • https://s3.amazonaws.com/kodipopujufipig/84438654469.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_off0000e31f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE31F 5156 bytes
SHA-256: 8028e233cb1e475ced657c88bcffea88c31d37c023fdfdc2d21844d792eb4731
font_01_sfnt_off0000f4b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4B0 9984 bytes
SHA-256: a2384c4f28829d29b87e399ed839d0ef1f0e421fe7ea13dda1e47ac5597e8257

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