Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9832099dcd8dceb…

MALICIOUS

PDF

69.4 KB Created: 2021-03-28 19:14:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 804bf4ad59a3d5658c2ec9bf61f4b039 SHA-1: 90ac48720ee5a38b57c6123786c47445d603dd11 SHA-256: b9832099dcd8dceb931a3ca1117eb550b901c2201a0da0d9e0a60cebbccfcd41
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://mezovuduw.ru/wix?keyword=bread+slicer+guide+nz PDF link annotation
    • https://cdn.sqhk.co/milevatomog/eCJiigg/95122849831.pdfIn PDF document text
    • https://cdn.sqhk.co/zatejurix/gfijHgj/fizoputinubopaxovewivova.pdfIn PDF document text
    • http://prazdnikprosto.ru/sogudczfvx.pdfIn PDF document text
    • https://cdn.sqhk.co/korulifesewa/yYUgdda/11354456961.pdfIn PDF document text
    • http://lijonotogi.scienceontheweb.net/hoover_windtunnel_max_uh30600_manual.pdfIn PDF document text
    • https://cdn.sqhk.co/fusunusol/jiicWhc/sejakolijexuluvefov.pdfIn PDF document text
    • https://cdn.sqhk.co/bedogipaxog/gcG1QuD/72769687588.pdfIn PDF document text
    • http://xejopegig.mypressonline.com/gopowaliwonefemuxap.pdfIn PDF document text
    • http://petersikdar.com/what_are_the_8_elements_of_a_story42r7s.pdfIn PDF document text
    • http://lessonsonline.site/87331743734b19x0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/1d80d9ee-a05a-4beb-8436-870f3dd1b707/how_to_mail_flat_rate_box_from_home.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a9188412-05d8-41f5-af0f-c015d15a043b/puriwe.pdfIn PDF document text
    • https://s3.amazonaws.com/dedinavesute/new_emotional_songs_2017.pdfIn PDF document text
    • https://s3.amazonaws.com/jemisajoda/patozimugor.pdfIn PDF document text
    • https://s3.amazonaws.com/jolozidabi/43718309164.pdfIn PDF document text
    • https://s3.amazonaws.com/xezujuxoz/ac_dc_tnt_river_plate.pdfIn PDF document text
    • https://s3.amazonaws.com/petubapizo/whirlpool_wher25_reverse_osmosis_ro_filtration_system_with_chrome_faucet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0b949dd2-a236-4b18-b2f1-15b4a8e537b8/24278732889.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f397554b-77b9-43b0-8419-5596a6930ca5/james_allen_promo_code_june_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxawetawupo/ridgid_planer_home_depot.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/90f5d3ef-6b86-464a-b50c-54b17b80dcae/kareje.pdfIn PDF document text
    • https://s3.amazonaws.com/garorowa/89146038495.pdfIn PDF document text
    • http://jurizamumi.myartsonline.com/adjectives_with_prepositions_exercises_with_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/sizadagazagaj/benulinibosiviwun.pdfIn PDF document text
    • https://s3.amazonaws.com/sezewu/illaoi_guide_s8_aram.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_off0000d013.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD013 5208 bytes
SHA-256: 0b05c86bdd64502ea111b7c9768c923cc89d16d4808960397d56bea88174bbb0
font_01_sfnt_off0000e1dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1DD 10884 bytes
SHA-256: 243df6f123e08afb6f9f57439f0ff021905fdc7a839b36daa238248cd484d60a

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