Malicious PDF — malware analysis report

Static analysis result for SHA-256 1cd701de8c6d54c4…

MALICIOUS

PDF

74.5 KB Created: 2021-03-14 23:00:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 01568a05ffbdebb12fdb2246bbba007d SHA-1: 8a29a77f1cc59b2492eae4f5c51c8eef2ba46f1d SHA-256: 1cd701de8c6d54c4a117ac0610f812302ad33971c997c4f1cb2aa0a5bb022662
96 Risk Score

Malware Insights

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

The PDF document contains embedded URLs and is flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The ML classifier also strongly indicates maliciousness. The document body, though partially corrupted, suggests a lure related to a common household item to trick users into visiting a malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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/wb?keyword=how%20to%20change%20the%20belt%20on%20a%20bissell%20proheat%202x PDF link annotation
    • http://gojevomarokabe.getenjoyment.net/la_hobito_tolkien.pdfIn PDF document text
    • https://cdn.sqhk.co/mevazasid/tagcSsD/dudamisox.pdfIn PDF document text
    • https://cdn.sqhk.co/pulijidapis/frzqijq/large_garden_balls_spheres.pdfIn PDF document text
    • https://cdn.sqhk.co/rumomezojeku/4gf6DYp/splashtop_streamer_linux.pdfIn PDF document text
    • https://cdn.sqhk.co/gipagigo/Uih34jg/61593377441.pdfIn PDF document text
    • https://cdn.sqhk.co/luwesefizi/Shiigog/juwuzivajizupujubiwurego.pdfIn PDF document text
    • https://cdn.sqhk.co/wufevinek/7Whjjfb/lion_temple_run_game_free_download_for_mobile.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/2525e404-5f2f-46fc-b45e-8ad0366da2a9/92950308925.pdfIn PDF document text
    • https://s3.amazonaws.com/jovekus/toshiba_lcd_colour_tv_remote_control.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9000d355-575e-4423-a6e2-9fcb2fb86bda/92613879651.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/724016c4-27e7-4469-8e6a-68e70c505f4a/ipados_13.3_magic_mouse_2.pdfIn PDF document text
    • https://s3.amazonaws.com/xojafemori/d_d_character_creation_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/lazesej/diferentes_medios_de_comunicacion_que_existen.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bdeb62f5-575e-4a84-bca7-b7467c0d30d4/which_twilight_movie_comes_after_new_moon.pdfIn PDF document text
    • http://vakizonozajaxe.onlinewebshop.net/xagewigalitemurusitopegiw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a751559-9896-4560-857b-ab42adb2401c/8542873155.pdfIn PDF document text
    • https://s3.amazonaws.com/xasovewipeje/52430492740.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3183435b-14d6-4a8d-8265-5208cc47bb21/53804267495.pdfIn PDF document text
    • http://relivoziz.atwebpages.com/accouchement_prmatur_spontan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/49d7e1ec-8ca1-4ffe-850e-63028124134b/23934607585.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e49c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE49C 5588 bytes
SHA-256: 71d8cb0071181bb4640c303aa88851bad43afe4b7b7cb5f04e82b40dd90a31d5
font_01_sfnt_off0000f7ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7AD 10272 bytes
SHA-256: 1c60da410cf031231a174e591e22b1d64f6c9e1a71cc76316f0eda84e2817ae4

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