Malicious PDF — malware analysis report

Static analysis result for SHA-256 116603f42d8ac36c…

MALICIOUS

PDF

86.7 KB Created: 2021-02-27 12:18:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a15c86c88200e99a429b8b321962f798 SHA-1: 9eb0b1763455e17e9a5a990e16e6dc2e47d020d0 SHA-256: 116603f42d8ac36c116650cf712e8bb0db26a3ad08077b5da1948a3f8b707b6f
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of an external URI pointing to 'lozipotod.ru' suggests the document is designed to redirect users to a potentially harmful site. While no scripts were explicitly extracted, the PDF structure and embedded URLs are common in phishing and malware distribution campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://lozipotod.ru/aws?utm_term=is+zoro+the+2nd+strongest+swordsman
    • http://jikusofare.mywebcommunity.org/yongnuo_yn-568ex_ii_nikon_review.pdf
    • http://vexawenebo.22web.org/battle_royale_movie_in_tamilrockers.pdf
    • http://confirmationhelpcenter.com/regorujoripatc5zw.pdf
    • http://good-production9.site/parking_fine_appeal_letter_template_ukk9057.pdf
    • http://dafagaketa.sportsontheweb.net/gupimafoti.pdf
    • http://lorewipa.scienceontheweb.net/mensa_practice_test_iq_score.pdf
    • http://nemosixumeki.mypressonline.com/tofamapijilasuv.pdf
    • http://tezijexipilimo.getenjoyment.net/36036940857.pdf
    • http://mmamba.ru/kebiwibigigenosigufavane53eim.pdf
    • http://sevezor.scienceontheweb.net/unitypoint_urgent_care_altoona_hours.pdf
    • http://fofiwafajelerax.sportsontheweb.net/palowazesaveragibiji.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://vunefukovamin.rf.gd/car_accident_news_report_example.pdf
    • https://s3.amazonaws.com/nunakixuma/wd_my_cloud_home_duo_12tb_review.pdf
    • http://mevediruzorapaz.rf.gd/retro_game_center_apk.pdf
    • http://xodolipifonabo.epizy.com/kokafewawulomof.pdf
    • http://fibubaxuvuvixik.epizy.com/best_calendar_app_ios_android.pdf
    • https://s3.amazonaws.com/bupijila/rikawegejubazelubor.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_off0000e7c8.bin
8241e3e4226d4b6d5c7578005208c8fb56ae51075a5034cd5052423d9078ef34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE7C8 9624 bytes
font_01_sfnt_off0001084f.bin
895410d425e0a1f381a89d749da7eb7134d7669e10106389a27311e9afa89da2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1084F 5156 bytes
font_02_sfnt_off000119b9.bin
ae568563d8eb458405aad6b1913e7850104f45c155de92bdf570ca7f939b191d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x119B9 11092 bytes
font_03_sfnt_off00013f05.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13F05 4324 bytes

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