PDF malware analysis — malicious · 09a812924a567da8

MALICIOUS

PDF

67.2 KB Created: 2021-03-31 06:26:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4461f2ffe7d5fc7ea51ca4de9823cf54 SHA-1: 2db695f73a8501754ed3f532af22a9869087ae52 SHA-256: 09a812924a567da850bfc1ac3ce94e7e0a2ecc1b75aab4ad96ae755204aa7f67

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that directs users to 'xezojetit.ru', suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, appears to be a lure related to a song download.

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://xezojetit.ru/123?utm_term=jinta+ta+chita+chita+song+free
- http://bujufamamaw.22web.org/bamb_jatt_video_song_hd.pdf
- http://gefosezidubajoz.scienceontheweb.net/bose_awrcc1_review.pdf
- http://gelokan.sportsontheweb.net/architecture_informatique_cours.pdf
- http://verenica.net/gili_air_surf_reportazdqx.pdf
- https://vabinori.weebly.com/uploads/1/3/4/3/134348027/gifajotejil.pdf
- http://sevagawos.getenjoyment.net/limits_at_infinity_horizontal_asymptotes_radicals.pdf
- https://sizelelam.weebly.com/uploads/1/3/4/8/134867910/98b8388e408b35.pdf
- http://guzanarogenuje.iblogger.org/estilos_de_aprendizaje_visual_auditivo_y_kinestesico_test.pdf
- http://leririv.sportsontheweb.net/is_billy_elliot_on_netflix_canada.pdf
- http://idealslim-italiaofficial.site/731716029413qynh.pdf
- http://sale50.pro/58767330221cvr4f.pdf
- http://form-lnstagramverifiedbadges.com/the_silence_of_the_lambs_movie_google_drivesb9sl.pdf
- http://excschool.ru/christmas_letter_from_santa_template_word6d237.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://juvizerosuzabuk.rf.gd/canter_assertive_discipline.pdf
- http://jigufabusu.epizy.com/84537893483.pdf
- http://nixikivike.epizy.com/90872894750.pdf
- http://duvexarido.epizy.com/masimo_signal_extraction_pulse_oximetry.pdf
- http://timerojulawu.myartsonline.com/7029936996.pdf
- http://sibaxelori.epizy.com/40107255972.pdf
- http://wokezafuvix.epizy.com/aaru_video_songs_free_mp4.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000ca90.bin` `f0e34d9d40134ccc0cdac587e78f397742aafd30911aedc47a2ec28dd8ee44a3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCA90	5100 bytes
`font_01_sfnt_off0000dbe6.bin` `5588bdd01efbec096ab4da48337a586b6192b0e6db8e88b281394d2143c21735`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDBE6	10548 bytes

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