Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e5e4d780498bb85…

MALICIOUS

PDF

81.1 KB Created: 2021-04-01 13:19:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: a60b704465f19ce29dbe3b3832a92585 SHA-1: 5ca9860162a13b1da5ad3e278aec086583ce5912 SHA-256: 2e5e4d780498bb85ea43a022a32b888f3989a6884bd611729b04f66503e894d2
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 0.9998

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://dugedepap.ru/strik?utm_term=best+fingerstyle+guitarists+ranking PDF link annotation
    • https://cdn.sqhk.co/jonilinenuvo/fijjchL/95023865458.pdfIn PDF document text
    • https://cdn.sqhk.co/lebuwoxetale/wqif4Us/12000018226.pdfIn PDF document text
    • http://novinove.iblogger.org/puzepivinabelasezoxuli.pdfIn PDF document text
    • https://cdn.sqhk.co/pasepizut/idjeTKv/bootcamp_windows_7.pdfIn PDF document text
    • http://sunufosabupes.scienceontheweb.net/78598521030.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://femodizabofowu.epizy.com/58253984787.pdfIn PDF document text
    • http://jagomizaf.atwebpages.com/journal_el_khabar_d_aujourd_hui_en_arabe.pdfIn PDF document text
    • http://zogadawedalifap.onlinewebshop.net/livestock_poultry_management.pdfIn PDF document text
    • https://s3.amazonaws.com/nitidadufetenu/how_do_you_use_a_hamilton_beach_22_quart_roaster_oven.pdfIn PDF document text
    • https://s3.amazonaws.com/satulibaren/school_graduation_certificates_templates.pdfIn PDF document text
    • http://mubenud.rf.gd/88548134885.pdfIn PDF document text
    • http://tadabafilebe.epizy.com/52773595534.pdfIn PDF document text
    • https://s3.amazonaws.com/mejawiwomak/penikomalulone.pdfIn PDF document text
    • https://s3.amazonaws.com/doxifuba/how_to_say_thank_you_lord_in_latin.pdfIn PDF document text
    • https://s3.amazonaws.com/sezewu/42422679687.pdfIn PDF document text
    • http://jijomelaj.rf.gd/arun_academy_current_affairs.pdfIn PDF document text
    • https://s3.amazonaws.com/sisaxu/world_report_cbc_news.pdfIn PDF document text
    • https://s3.amazonaws.com/lunojol/zazobaliwesij.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_off0000feb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEB6 5152 bytes
SHA-256: 51ffa75a3bf96f3a3a0ad68421d80fe529931eac03dcc06011a47b6fd4e83114
font_01_sfnt_off00011060.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11060 11616 bytes
SHA-256: a79154e964fc05b97a1711ae628cd05315f7fb71229c086f6088a5822f5d6529

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