Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bb7ed3430686361…

MALICIOUS

PDF

69.1 KB Created: 2021-03-10 21:49:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f72960f53e800b08863d5f49b65595d1 SHA-1: eb48c386b89228c8b5c56b724402e69c66e4aac3 SHA-256: 2bb7ed3430686361b1021edb826d53cf383e10db20d80f70b02a2c1e556e3401
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URI pointing to 'https://resalured.ru/123?utm_term=beautiful+child+girl+hd+images', which is likely intended to lead the user to a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to 'beautiful child girl hd images'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

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://resalured.ru/123?utm_term=beautiful+child+girl+hd+images
    • http://airbin.top/bepafibilufobozuduxiwonoxkwc44.pdf
    • https://cdn-cms.f-static.net/uploads/4391000/normal_6025ea8b1d869.pdf
    • https://cdn-cms.f-static.net/uploads/4455642/normal_602c8cc538806.pdf
    • https://cdn-cms.f-static.net/uploads/4471488/normal_6016f3cd172e9.pdf
    • https://static.s123-cdn-static.com/uploads/4366367/normal_6007d3c9bb278.pdf
    • http://help-business-media.com/one_slide_presentation_template_freeibiy5.pdf
    • https://cdn.sqhk.co/pemoxeriko/jgiizv2/clash_of_clans_hack_game_download_android.pdf
    • https://cdn.sqhk.co/nefakovuwot/Qiiibgc/88213023274.pdf
    • https://cdn-cms.f-static.net/uploads/4484126/normal_6041903d9e41d.pdf
    • http://xtw2.club/free_simple_contingency_plan_template4mzrj.pdf
    • http://ibkreactiva2020.com/a_suitable_boy_trailer_netflixhgt8l.pdf
    • https://cdn.sqhk.co/bujiwamovul/cggFYhg/color_wheel_chart_for_makeup.pdf
    • https://static.s123-cdn-static.com/uploads/4481397/normal_600028a77b326.pdf
    • https://cdn.sqhk.co/kobadaxo/FjbwWhf/perusu.pdf
    • http://geleostone.online/10018442727bss7r.pdf
    • http://novuzigekisev.iblogger.org/beats_solo_3_wireless_headphones_not_working.pdf
    • http://kokilubowo.22web.org/aquarelle_techniques.pdf
    • https://cdn-cms.f-static.net/uploads/4371013/normal_5fe6a8b554626.pdf
    • http://moxokivotalunuz.iblogger.org/12051657665.pdf
    • https://static.s123-cdn-static.com/uploads/4464297/normal_5ff3298de7f70.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://bubomixutiw.rf.gd/76253752428.pdf
    • http://ketunetu.rf.gd/aadukalam_video_songs_hd_1080p_free.pdf
    • http://puvatazawefo.epizy.com/icebreaker_games_for_adolescent_groups.pdf
    • http://jilerixam.epizy.com/45264603423.pdf
    • http://gelutusuxipedib.rf.gd/best_uses_of_true_polymorph.pdf
    • http://mamitepibo.epizy.com/irctc_railway_reservation_form.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d1f6.bin
2fd8181b1ed7e83cc0f528e3df0d1a7bf489a863b12b635aac2a7530be5a9002		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD1F6 5484 bytes
font_01_sfnt_off0000e477.bin
062a6a0fc1c20c2be1c30682104aca57561b335d2abc2780f678f0046236ac70		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE477 10104 bytes

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