Malicious PDF — malware analysis report

Static analysis result for SHA-256 00097a45dfb367aa…

MALICIOUS

PDF

68.1 KB Created: 2021-02-18 20:38:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 7d33ac29acf8f83b99936bd18278318c SHA-1: 3ffb59e046da365057417c80868a4cf4858f3db1 SHA-256: 00097a45dfb367aaebb625320eafcbb8c8381c96be50d74dfa59cbed7cc6d461
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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/wix?keyword=nyrius+aries+prime PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4485149/normal_5fde655ee27e5.pdfIn PDF document text
    • https://cdn.sqhk.co/suzeboxiwo/hhgemhs/hit_the_woah_song_mp3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365555/normal_601811174641e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412999/normal_5fdacc8e625e4.pdfIn PDF document text
    • https://cdn.sqhk.co/kovixileta/hfjhKjh/project_n64_emulator_apk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4458417/normal_5feefdad9cc71.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496148/normal_6020519a473ab.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/gagagakigibapo/lakey_peak_sumbawa_surf_report.pdfIn PDF document text
    • http://wugezirux.epizy.com/shook_me_all_night_long_guitar.pdfIn PDF document text
    • https://s3.amazonaws.com/minaxigevani/nelamangala_weather_report.pdfIn PDF document text
    • https://s3.amazonaws.com/runuzitexokol/wusowivoxisuga.pdfIn PDF document text
    • http://muxoridevifi.epizy.com/3d_animation_software_free_for_windows.pdfIn PDF document text
    • https://s3.amazonaws.com/padadutiseni/9826185627.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b93b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB93B 5004 bytes
SHA-256: 0ba215e8c65498e7ea0ebabeb399bff0867b139b6a855ce4d21838281076dfae
font_01_sfnt_off0000ca39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA39 10268 bytes
SHA-256: e5f64d3bf597e587990e4fe9e696617b1086c9798cefdecf42a441ad9f13285c
font_02_sfnt_off0000eda5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDA5 16400 bytes
SHA-256: b4fb25211f7873671f67ca644befa4263b72588ac2def8d92ccee27433b89c76

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