Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8c75c97a5e24c98…

MALICIOUS

PDF

84.4 KB Created: 2021-03-29 11:00:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8bc759bf3ff5b8fe4382763701a4774f SHA-1: 4a84f6e78133d9bbde0903a93fca26e2d5c3f970 SHA-256: f8c75c97a5e24c989f5862914f556e7eac752d4572f149c9fe9bcd6f21fb98ef
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL pointing to a site offering a movie, which is a common lure for phishing or malware distribution. ClamAV and ML classifiers flagged this PDF as malicious, indicating it likely serves as a dropper or redirects to a malicious site. The presence of multiple external URLs further supports the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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://xezojetit.ru/123?utm_term=armour+of+god+2+full+movie
    • https://cdn.sqhk.co/mewivupa/gyoigjd/742888479.pdf
    • https://cdn-cms.f-static.net/uploads/4454973/normal_605d344e71463.pdf
    • https://cdn-cms.f-static.net/uploads/4416490/normal_603017057b37e.pdf
    • http://bometaximom.scienceontheweb.net/bissell_big_green_cleaning_machine_manual.pdf
    • http://wubujonil.getenjoyment.net/essential_elements_for_band_alto_saxophone_book_1.pdf
    • http://autobaff.xyz/85422487905kcpi7.pdf
    • http://aires.fun/martial_god_asura__3361fhbl3.pdf
    • https://cdn-cms.f-static.net/uploads/4387711/normal_605a656fedd9b.pdf
    • http://lubevos.scienceontheweb.net/bizajanepipiwukene.pdf
    • http://instapriz.site/can_you_drive_the_road_to_hana_backwards2hi55.pdf
    • https://cdn-cms.f-static.net/uploads/4384164/normal_6025a131edf34.pdf
    • http://awpmode.com/891187740492hk9p.pdf
    • https://cdn.sqhk.co/ninulekuto/dmJq9Nz/sonic_the_hedgehog_movie_super_smash_bros_ultimate.pdf
    • https://cdn-cms.f-static.net/uploads/4426822/normal_600e352257ece.pdf
    • http://fotubobuwenapu.scienceontheweb.net/47576813378.pdf
    • https://cdn.sqhk.co/vafegijateno/0Bhhidu/57339856779.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://nivuzujanux.myartsonline.com/53161722731.pdf
    • https://s3.amazonaws.com/zisulamisozoto/mmana-gal_download_free.pdf
    • http://xufoziminep.onlinewebshop.net/social_anthropology_journal.pdf
    • http://niwimugosaz.onlinewebshop.net/asciidoctorj_maven_plugin.pdf
    • https://s3.amazonaws.com/sixolose/sygic_full_apk_cracked_espaol.pdf
    • https://s3.amazonaws.com/gavobawum/icaap_report_template.pdf
    • https://s3.amazonaws.com/wixanarer/varidevovisutarinajogik.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e9d6.bin
03bba029a0bb0e424de663f128735c3aa33ff4b162691db4181e93978a411a38		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE9D6 6252 bytes
font_01_sfnt_off0000feec.bin
189f38b526c555c32581b89832ba4d1c34951d33bc0423b2e5cca97c72aba1ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFEEC 4716 bytes
font_02_sfnt_off00010ef9.bin
c927ecbf6734f07db805b81c1b4d2381688d16cefaaaca8aa58236e503e4a779		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10EF9 11772 bytes
font_03_sfnt_off000135b0.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x135B0 4324 bytes

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