Malicious PDF — malware analysis report

Static analysis result for SHA-256 09b2d9681c400589…

MALICIOUS

PDF

78.1 KB Created: 2021-03-18 23:43:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: df06c059f935552b9e2322c004429caf SHA-1: 14449c6de546dac5a09e6b1854495ce4e21547e4 SHA-256: 09b2d9681c40058956dc6ef7427f1bbe185837e13c126fc85a79dcb3aa1fdc3a
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL, 'https://soxebez.ru/award?keyword=chilis+printable+application+pdf', suggests a phishing or scam attempt, likely related to job applications or awards. Although no scripts were explicitly extracted, the PDF structure and the presence of external URIs are common in phishing lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9961

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://soxebez.ru/award?keyword=chilis+printable+application+pdf
    • https://cdn-cms.f-static.net/uploads/4380226/normal_60489427bf599.pdf
    • https://cdn.sqhk.co/zozijawutuxu/hfcP3jf/vemituvokapapubu.pdf
    • https://cdn.sqhk.co/mozulunilex/YpGihge/yes_man_parent_guide.pdf
    • https://cdn.sqhk.co/tevimuwijile/Ljjhbjc/59304703193.pdf
    • https://cdn-cms.f-static.net/uploads/4453888/normal_5fe6b0b32d56a.pdf
    • https://cdn.sqhk.co/luwanuriwaba/irja8Yi/tavumirafefotipe.pdf
    • https://cdn.sqhk.co/savaketiju/mYshieg/two_fold_brochure_design_templates.pdf
    • http://ludshop.xyz/baxuxujim321oq.pdf
    • https://cdn.sqhk.co/letarezetap/CvgiczF/ragaduwojak.pdf
    • http://morj.space/schedule_template_pagese5m07.pdf
    • https://cdn.sqhk.co/vitimosugu/yhbGigg/75122446331.pdf
    • http://agreevudb.rest/minna_no_nihongo_lesson_1_to_25_audio_download4504k.pdf
    • https://cdn.sqhk.co/nugizape/eev8hhW/all_for_one_dollar_shop_near_me.pdf
    • http://yourbigdick.space/dixupojixozadokilgrjw.pdf
    • https://cdn.sqhk.co/zozijawutuxu/ggbIkMH/gogitej.pdf
    • https://cdn.sqhk.co/gonolesuzam/AgdjbpA/16532419590.pdf
    • https://static.s123-cdn-static.com/uploads/4483337/normal_5fde17bb811ff.pdf
    • http://dokumenty-kiev.online/romeo_y_julieta_churchill_cigar_aficionado2xfwy.pdf
    • https://cdn-cms.f-static.net/uploads/4416918/normal_60136de3921a8.pdf
    • https://cdn.sqhk.co/kagaxavog/mifuhc6/fantasy_premier_league_gameweek_6_predictions.pdf
    • https://cdn.sqhk.co/goluxewimabu/iEuhihh/stronghold_builder_s_guide.pdf
    • https://cdn.sqhk.co/raserijene/aYDhh6j/25990586276.pdf
    • https://static.s123-cdn-static.com/uploads/4383918/normal_5fdf2a18d82be.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/719f6f41-3083-481a-91cd-ececf08b8018/is_emdr_effective_for_ocd.pdf
    • https://uploads.strikinglycdn.com/files/9c50272c-ce60-4774-a716-fdafd875ab67/who_is_norton_in_the_pigman.pdf
    • https://uploads.strikinglycdn.com/files/39d50bb9-d308-4137-839c-5c89f3aca6b1/how_to_fix_a_broken_faucet_aerator.pdf
    • https://uploads.strikinglycdn.com/files/d160afc9-5a9f-4b27-832f-95764f6af1cf/dyson_ball_animal_pro_upright_vacuum_instructions.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_off0000f156.bin
c5324c7b0261ce47de9c7cc6df385b7221aed213f6c45cc5cef1f17fc67c8efb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF156 5288 bytes
font_01_sfnt_off0001033d.bin
7ec70fdbce4d31d5ccca157b9e820711d12ac562e36f8d1f048575e8de3e539a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1033D 11052 bytes

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