Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7ced76ff0ef6b9d…

MALICIOUS

PDF

89.1 KB Created: 2021-03-31 03:40:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 6744be83a673e8ff3792e747f902f17e SHA-1: 09452a6f976d71db24b982ed018c7195ad2d3a67 SHA-256: d7ced76ff0ef6b9dce9d0930d68f463303d67ee7b3fac828fa2fb1dc036d3eb0
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 0.9990

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://xezojetit.ru/award?keyword=current+assets+and+current+liabilities+list+pdf PDF link annotation
    • http://lifeit.pro/how_to_fix_a_bissell_powerforce_helixlhvjh.pdfIn PDF document text
    • https://cdn.sqhk.co/xolofiwano/euLU4hg/beat_street_movie_free_online.pdfIn PDF document text
    • http://komozazene.getenjoyment.net/durojizimutime.pdfIn PDF document text
    • https://cdn.sqhk.co/zarudaletok/QEByggt/callaway_strata_women_s_golf_clubs.pdfIn PDF document text
    • https://cdn.sqhk.co/lemusezilaz/hc8hjB3/new_bottle_flip_3d_mod_apk_android_1.pdfIn PDF document text
    • https://cdn.sqhk.co/poxofufiko/CPngjjc/nes_emulator_free_download_apk.pdfIn PDF document text
    • http://juxumigine.mypressonline.com/82835353097.pdfIn PDF document text
    • http://biomaniks.website/lidabotulifalisunakiglrchq.pdfIn PDF document text
    • http://presente-top.store/les_choristes_piano_sheet_musicyjiac.pdfIn PDF document text
    • http://italiahot.fun/does_google_chrome_have_flashofp4a.pdfIn PDF document text
    • http://mibemuxagegija.mywebcommunity.org/81491415736.pdfIn PDF document text
    • https://cdn.sqhk.co/jizapamilizo/jcggGQL/download_free_robux_loto_2020_mod_apk.pdfIn PDF document text
    • http://dekiweragaf.mywebcommunity.org/intriguing_lateral_thinking_puzzles.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/vuzotisenixava/zuragiroziluranetisetep.pdfIn PDF document text
    • http://koxigumom.onlinewebshop.net/sbi_atm_card_form.pdfIn PDF document text
    • http://wutesejib.onlinewebshop.net/vepekomuguwukabobi.pdfIn PDF document text
    • https://s3.amazonaws.com/tojabixefova/chuwi_hi8_pro_android_update.pdfIn PDF document text
    • http://rurigizibafazuk.epizy.com/38006456564.pdfIn PDF document text
    • https://s3.amazonaws.com/polojuliragam/poulan_pro_pp4218a_carburetor_rebuild.pdfIn PDF document text
    • http://vuxalono.epizy.com/44594759789.pdfIn PDF document text
    • https://s3.amazonaws.com/tawosutosuxi/34190742563.pdfIn PDF document text
    • https://s3.amazonaws.com/garorowa/wopipexofex.pdfIn PDF document text
    • http://sedobuxekazadi.rf.gd/ketoacidosis_diabetic_guidelines_ada.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010ef7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EF7 5084 bytes
SHA-256: 6cd4416fbdf6d3cdbfa296a4fadabd00e65e8b5b65e21738d4fcb51878bbc28d
font_01_sfnt_off00012040.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12040 11824 bytes
SHA-256: ecae5835d08189a19fa7ead455dd0db863044f0185eadb987ae012084bbd874e
font_02_sfnt_off00014892.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14892 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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