Malicious PDF — malware analysis report

Static analysis result for SHA-256 d92d7998adb2bacd…

MALICIOUS

PDF

82.6 KB Created: 2021-03-03 11:12:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 409ab19a17d00ffad3ce923574b3c068 SHA-1: 6a6f495a3223f12d5e4f3535c2717b6519c1de22 SHA-256: d92d7998adb2bacddcb624bf59539d91aa6504e914c932e6fe731b076dd91188
96 Risk Score

Malware Insights

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

The PDF file contains a heuristic indicating an external URI, which points to a suspicious domain. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The embedded URL is the primary indicator of compromise, suggesting the document is a lure to redirect the user to a malicious site.

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://maypoin.ru/award?keyword=adobe+premiere+pro+2015+specs PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4420025/normal_5ff2bbb6296ae.pdfIn PDF document text
    • http://leseweremizew.scienceontheweb.net/chopin_prelude_6_analysis.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417988/normal_5ff437dc2c4a6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448548/normal_5fedc91ebb222.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414873/normal_600fee2a10115.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/wovugi/facial_cellulitis_treatment_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/duzexefemosaxe/87548308561.pdfIn PDF document text
    • https://s3.amazonaws.com/mesixadelomomo/instagram_feed_template_free.pdfIn PDF document text
    • http://tapoloferazuziw.atwebpages.com/84927715393.pdfIn PDF document text
    • http://timavutiziv.epizy.com/cavalier_5e_guide.pdfIn PDF document text
    • http://xobibaga.myartsonline.com/zibatobepifuninajovotagis.pdfIn PDF document text
    • https://s3.amazonaws.com/pexodugosa/8201043234.pdfIn PDF document text
    • https://s3.amazonaws.com/defujo/subpoena_duces_tecum_template_florida.pdfIn PDF document text
    • https://s3.amazonaws.com/zunaduxa/united_colors_of_benetton_mens_polyester_jackets.pdfIn PDF document text
    • http://japamitafixe.myartsonline.com/does_tiktok_hear_you.pdfIn PDF document text
    • https://s3.amazonaws.com/fajeloninesitel/how_to_fix_samsung_freezer_drawer.pdfIn PDF document text
    • http://jipajarukureji.rf.gd/php_convert_html_to_and_download.pdfIn PDF document text
    • http://javasuk.epizy.com/attentive_display_android.pdfIn PDF document text
    • http://xajazofi.rf.gd/insinkerator_badger_500_power_cord.pdfIn PDF document text
    • https://s3.amazonaws.com/vizegemawokaxe/bodyguard_whitney_houston_full_movie.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_off0000fba1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBA1 5556 bytes
SHA-256: 688f66cd3ced18439ceda08476ea8742811f0ebb43067e61209438f0cc9d523e
font_01_sfnt_off00010e77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E77 14924 bytes
SHA-256: cc461dc691f7dcdae5134f7ec341207abc29c979089ff3d533c88ccafdba21c9

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