Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3dc52e2c1b8c7f2…

MALICIOUS

PDF

80.7 KB Created: 2021-04-03 22:28:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 67d8f2a98accd5ac769ce245bb3ac249 SHA-1: 750a95387fa36abeaa4eb724b36ff05fe1723ec1 SHA-256: e3dc52e2c1b8c7f2873ce3af13a647bde69bf96799e73c70a1e917b4ebadf842
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 0.9998

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://baarspo.ru/strik?utm_term=war+as+i+knew+it PDF link annotation
    • http://lp-consalt.ru/rufokudpmz54.pdfIn PDF document text
    • http://noksipals.online/what_is_social_artistcgdyg.pdfIn PDF document text
    • http://mandarin-fruit.space/de_roupa_do_cabelo_roblox_cdigosdi50e.pdfIn PDF document text
    • http://my-favshop.online/8313629281ss7jk.pdfIn PDF document text
    • http://luranowebereni.22web.org/2013_dodge_charger_pursuit_service_power_steering_system.pdfIn PDF document text
    • http://save50it.info/acer_aspire_one_power_supply_replacementm6j64.pdfIn PDF document text
    • http://site-shop.xyz/edenpure_gen_3_repair_manualgxrjr.pdfIn PDF document text
    • http://leree4.club/66037040647ztvq0.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/saziwijaxodav/32924146924.pdfIn PDF document text
    • https://s3.amazonaws.com/rujabepifar/25315482163.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/850d5af9-ab2e-45e3-a39d-3bd7d42d5db2/ccea_gcse_biology_textbook_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9f4f1d40-b5de-4a17-9235-6ed6ea2fb816/serato_dj_pro_free_trial.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb8e3f07-fd9a-4484-bd3f-45f0984deff0/vuvage.pdfIn PDF document text
    • https://s3.amazonaws.com/xoxaneral/vobofujowujezefesotaled.pdfIn PDF document text
    • https://s3.amazonaws.com/ravuxudibure/gadenivoxij.pdfIn PDF document text
    • https://s3.amazonaws.com/sosupejuxofedo/70_best_startups_you_need_to_watch_out_for_in_2020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8ee24e71-d594-4b9b-93e9-9609dbbc5693/vemapirudaxojizif.pdfIn PDF document text
    • http://wujikefixazoni.epizy.com/99258331877.pdfIn PDF document text
    • https://s3.amazonaws.com/povodijirig/maroon_5_maps_audio.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_off000100e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100E2 4816 bytes
SHA-256: 5e9cfc51835b3dbee647147caba66bd2ddc35645e226a7c8836d3109b2316c28
font_01_sfnt_off0001116d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1116D 10744 bytes
SHA-256: b6d41cd63cd9e4d9f3afdfc80db9e39d440504a237a453161ed551894e9b77de

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