Malicious PDF — malware analysis report

Static analysis result for SHA-256 922f10613c317c44…

MALICIOUS

PDF

109.9 KB Created: 2021-03-24 17:09:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: d9d11cbc56de80317fd130237780d97b SHA-1: 57a3cc51f1fa8db35059e6cd65aeb4b4ee34b881 SHA-256: 922f10613c317c441f374b65d735bc75d5c982e19d92187ecc4b7da8ad5faaa6
96 Risk Score

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 0.9994

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://nipisod.ru/aws?utm_term=cuento+el+principito+resumen+pdf PDF link annotation
    • http://sexesex.site/stihl_trimmers_batteryuqrie.pdfIn PDF document text
    • http://maddot.space/52998647596eri5p.pdfIn PDF document text
    • http://nibajafij.medianewsonline.com/can_i_get_disney_on_samsung_smart_tv.pdfIn PDF document text
    • http://apelsins.space/wahl_trimmer_battery_745-8000jpu1.pdfIn PDF document text
    • http://nenegifivujaxu.mypressonline.com/does_the_keurig_2.0_k500_have_a_water_filter.pdfIn PDF document text
    • http://dedigevobunobe.medianewsonline.com/amazon_kindle_ebook_reader.pdfIn PDF document text
    • http://sumapewub.getenjoyment.net/allopathic_medicine_book_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/wanevakaxuma/foHjeIV/marvel_s_runaways_season_2_summary.pdfIn PDF document text
    • http://faxixovojaja.sportsontheweb.net/bascule_bridge_design.pdfIn PDF document text
    • https://cdn.sqhk.co/geroterunetu/gcib4jj/28155395029.pdfIn PDF document text
    • https://cdn.sqhk.co/jubelupubex/gicICjh/artifactory_latest_release.pdfIn PDF document text
    • http://nigma24invest.online/propresenter_7_costs0zx45.pdfIn PDF document text
    • http://gixapedotamerow.mywebcommunity.org/act_test_dates_2021_oklahoma.pdfIn PDF document text
    • http://uspehdnyaaxyz.xyz/85413308914ojigt.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/dagasopones/lopesim.pdfIn PDF document text
    • https://s3.amazonaws.com/bidemewufa/azhar_full_hd_video_song.pdfIn PDF document text
    • http://panexorumilogim.myartsonline.com/why_is_the_brother_printer_not_printing.pdfIn PDF document text
    • https://s3.amazonaws.com/dufekifaral/95369201036.pdfIn PDF document text
    • https://s3.amazonaws.com/tufujifinobiro/gta_san_andreas_cheats_pc_superman_cheat_codes.pdfIn PDF document text
    • https://s3.amazonaws.com/fukepez/biology_magnification_questions_and_answers_a_level.pdfIn PDF document text
    • http://wutejaxevewef.myartsonline.com/67966438887.pdfIn PDF document text
    • https://s3.amazonaws.com/ravuxudibure/brawlhalla_combo_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/kugelilizibuwum/48464037605.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_off00016d15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16D15 4996 bytes
SHA-256: 14a73ac99d457477da0178fcbf1fde623f4a80cc47f973eca6eb0c0110a199f7
font_01_sfnt_off00017dfa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17DFA 13192 bytes
SHA-256: 3b8fa03f5d19adcf5a7606e16cbb30ab363de4b07ca346dca05b55c2e3ecd3ce

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