Malicious PDF — malware analysis report

Static analysis result for SHA-256 a15092f0b64a318a…

MALICIOUS

PDF

72.5 KB Created: 2021-03-11 00:22:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 32e6209bc1725d0a442564f9772c0e4b SHA-1: 75ffd82d3160f39173b4167b41c4c5f169ebe9fd SHA-256: a15092f0b64a318ab7e172b0cb7be6ab957ac78e2257970f467d7b0dc0dbcf85
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://maypoin.ru/wix?keyword=aveeno+cc+cream+fair+to+light+review PDF link annotation
    • http://kefudepoduwudi.sportsontheweb.net/apopleja_hipofisaria.pdfIn PDF document text
    • http://recepty-dd.info/jomizilalipupetazcb0x5.pdfIn PDF document text
    • https://xigobiniliw.weebly.com/uploads/1/3/5/2/135298108/f44240f23203d57.pdfIn PDF document text
    • http://liwexun.mywebcommunity.org/elementary_korean_download.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4468836/normal_5fdf9246014dc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448976/normal_601875f62605c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450351/normal_5fcaec6ba66d1.pdfIn PDF document text
    • https://cdn.sqhk.co/sesekopusoj/cOhcnvd/32603769717.pdfIn PDF document text
    • https://cdn.sqhk.co/dikizumi/hbIxghC/wixozamekovajalux.pdfIn PDF document text
    • http://bostpolamos.site/rewogizodadosalofapilaykd.pdfIn PDF document text
    • https://cdn.sqhk.co/bidogefapo/MJqcOgf/real_driving_sim_game_mod_apk_an1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470961/normal_60382b53c9cc0.pdfIn PDF document text
    • http://openchambre.xyz/binding_of_isaac_item_unlock_guide0tdgi.pdfIn PDF document text
    • https://mimudokax.weebly.com/uploads/1/3/4/7/134742140/lifaku.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420911/normal_601c97011ef70.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4505837/normal_6018cb27b2956.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483610/normal_6022cde097fe4.pdfIn PDF document text
    • https://cdn.sqhk.co/wekonexiw/FghjiBX/fegavulawejukikew.pdfIn PDF document text
    • https://cdn.sqhk.co/wavivatus/egjhhQX/22721581446.pdfIn PDF document text
    • http://pazefezos.mywebcommunity.org/difference_between_quality_assurance_and_quality_control.pdfIn PDF document text
    • https://lufegema.weebly.com/uploads/1/3/4/1/134132410/dipanotivax.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393762/normal_60384baba9bee.pdfIn PDF document text
    • http://trycabinets.xyz/the_making_of_the_english_working_class_reviewlw2xh.pdfIn PDF document text
    • http://myfavoritesun.xyz/gekasomirekosottvntc.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000de24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE24 5260 bytes
SHA-256: 9fd1f2d8f473afe798ccb9d0e2773103240e878bc386cd59b3b9cf85fb8c0710
font_01_sfnt_off0000eff3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFF3 10636 bytes
SHA-256: 7f8e80d7c4dcaa19f2e1275c66b5048a2c9665507d00015b34ae740c06874494

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