Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e88a157ab7945a5…

MALICIOUS

PDF

84.6 KB Created: 2021-05-17 07:01:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: bc65957f9d68fab5caf6ff45097f1940 SHA-1: 5bd09354b2ac1a615e8a97eef5f9171bb953339a SHA-256: 2e88a157ab7945a5fcf4a426c87005ffc7c6c1b5605f4d04a1371b5303a25d26
96 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains an external URI pointing to a suspicious domain, likely intended to host phishing content or a further payload. The document body, though heavily obfuscated, appears to be a lure related to software comparison, aiming to trick users into visiting the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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://mezovuduw.ru/strik?utm_term=adobe+premiere+pro+vs+rush PDF link annotation
    • http://kefijor.mygamesonline.org/athlean_x_max_size_reddit.pdfIn PDF document text
    • http://tasigezagu.scienceontheweb.net/83896260468.pdfIn PDF document text
    • http://fizarumokugafu.mywebcommunity.org/faxewurovodijediragugu.pdfIn PDF document text
    • http://student-yurist.ru/the_hunger_games_movie_download_in_tamil8ydpf.pdfIn PDF document text
    • http://pejelurim.getenjoyment.net/28391536876.pdfIn PDF document text
    • http://accueilcmb.com/864421957593jv35.pdfIn PDF document text
    • http://car-den.ru/39190269255wctqb.pdfIn PDF document text
    • https://cdn.sqhk.co/kobewudojuvo/jijaAib/65838424165.pdfIn PDF document text
    • http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.pdfIn PDF document text
    • http://salebox.shop/dell_e7450_i7_5th_genoxhpm.pdfIn PDF document text
    • https://cdn.sqhk.co/zeliravepuj/thghekh/mubuxedanifizu.pdfIn PDF document text
    • http://bet-info.ru/geronimo_stilton_books_order_india7q0zo.pdfIn PDF document text
    • https://cdn.sqhk.co/mekurapiw/ibgg2ja/cplus_for_craigslist_desktop.pdfIn PDF document text
    • https://cdn.sqhk.co/pixafosabow/ihfgjY0/95655647963.pdfIn PDF document text
    • http://kamini33.ru/56896960162sfcf6.pdfIn PDF document text
    • https://cdn.sqhk.co/wepunajexiju/Nhhjaid/32071436260.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/dugibabafod/how_to_set_the_analog_time_on_citizen_skyhawk.pdfIn PDF document text
    • https://s3.amazonaws.com/xufujofaleki/how_to_program_my_spectrum_remote_to_vizio_tv.pdfIn PDF document text
    • http://bodirinukamole.onlinewebshop.net/gujutepogifewosesibudesu.pdfIn PDF document text
    • https://s3.amazonaws.com/zidenigad/71401932570.pdfIn PDF document text
    • https://s3.amazonaws.com/zamuriza/vugizafidewap.pdfIn PDF document text
    • https://s3.amazonaws.com/tirimofufemukat/79267177439.pdfIn PDF document text
    • https://s3.amazonaws.com/banula/12176934824.pdfIn PDF document text
    • https://s3.amazonaws.com/pisedij/washington_state_covid_update_restrictions.pdfIn PDF document text
    • https://s3.amazonaws.com/sifawekujiki/96469252642.pdfIn PDF document text
    • https://s3.amazonaws.com/kosipefojaw/girlfriends_guide_to_divorce_cast_colette.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f60d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF60D 5148 bytes
SHA-256: 3762ee38ef8463a0b8dd7697b1d360a729c37fccec4ab2a37e961431df55f419
font_01_sfnt_off00010766.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10766 11504 bytes
SHA-256: 0d4d8da16c7a705968d4b084265c2ce5a750eec28d2b8111cec562c51b098253
font_02_sfnt_off00012f1a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12F1A 16336 bytes
SHA-256: cb8b0c3b75634a3ac40028f3142d2b99dbff9c8bfe93654f62892c2eba89f065

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