Malicious PDF — malware analysis report

Static analysis result for SHA-256 97b8878a7e90b79b…

MALICIOUS

PDF

72.0 KB Created: 2021-03-01 05:14:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 390c6e6e9869ffdf5b6422965fc84f73 SHA-1: ebb08a197d9a109c36cc047f2e048ba64209b44b SHA-256: 97b8878a7e90b79b6b443763a46b05c616ad3d531cd8a5e90a7158c17ac31ef9
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://dugedepap.ru/award?keyword=browning+gun+model+lookup+by+serial+number PDF link annotation
    • http://zaxevef.getenjoyment.net/kinovitimazo.pdfIn PDF document text
    • https://cdn.sqhk.co/bepeguvovori/picjH8S/matrix_organization_definition_business.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374203/normal_5fcc2ab1d06ef.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447273/normal_5fc902e6ea5d7.pdfIn PDF document text
    • http://werenntaq.online/zabagjawod.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484114/normal_5fe07ca59e10f.pdfIn PDF document text
    • http://organic100.fun/wild_frontier_game_pcuba7l.pdfIn PDF document text
    • http://zeropium.com/14825148447xf3ha.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4443802/normal_5fcdd6acdd18f.pdfIn PDF document text
    • https://cdn.sqhk.co/gonolesuzam/jtYoii6/losubalafugemujejoserit.pdfIn PDF document text
    • http://opsnatur.fun/18699576376ipq2j.pdfIn PDF document text
    • http://front-glass.website/gilapejelabrtfn.pdfIn PDF document text
    • http://fuckfrsky.com/what_is_the_true_meaning_of_the_little_princezguyz.pdfIn PDF document text
    • https://cdn.sqhk.co/xiwapusumoge/hbpBhev/chicken_manure_compost_tea.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rosajeku.myartsonline.com/wukewidewam.pdfIn PDF document text
    • https://s3.amazonaws.com/tipikaxe/globo_reporter_na_globonews_horario.pdfIn PDF document text
    • http://duxepivol.myartsonline.com/6929528490.pdfIn PDF document text
    • http://zegetafirotazaz.atwebpages.com/topozateketakovazi.pdfIn PDF document text
    • https://s3.amazonaws.com/wiremeresegikon/nirotowikuzaziwapuku.pdfIn PDF document text
    • https://s3.amazonaws.com/dutuzanob/38821499115.pdfIn PDF document text
    • https://s3.amazonaws.com/wexoteluwag/27501083207.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_off0000dcae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCAE 5728 bytes
SHA-256: a9ac44dba60b6bdce607714c99eb1b67038f9bc34295df7285809dffb54a0cc1
font_01_sfnt_off0000f02b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF02B 9972 bytes
SHA-256: cbb14d525bdf391f13105981f34675846a94d03f5e6ffbc2265d289d2548e018

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