Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c48d297c579ffa7…

MALICIOUS

PDF

79.2 KB Created: 2021-03-03 15:58:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 2848c206a7d95f7d62e9b98ed420727c SHA-1: aade145d57f04ffd8bbf456be7b8b3c742754a44 SHA-256: 6c48d297c579ffa7f1631fb0361750e5d7e98a38d4a0964a646f1b94cae10c38
96 Risk Score

Malware Insights

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

The file is a PDF that contains an embedded URL pointing to a lure for a "Printable super bowl 2020 pool template". ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of embedded JavaScript, though not fully detailed, suggests an attempt to execute malicious code within the PDF viewer.

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://kuzutuzo.ru/wix?keyword=printable+super+bowl+2020+pool+template PDF link annotation
    • http://zoompol.xyz/butolanavatesoo0zbl.pdfIn PDF document text
    • http://mydenverneighborhoods.com/nizegigujutevoxonoxi09d0u.pdfIn PDF document text
    • https://cdn.sqhk.co/xafeperale/dgg9liE/fox_world_travel_appleton_wisconsin.pdfIn PDF document text
    • http://copyrightnotices-form.com/bitmoji_classroom_backgrounds5bhx2.pdfIn PDF document text
    • https://cdn.sqhk.co/mojikeke/Oiejfgc/muxamanepipatupibafijudos.pdfIn PDF document text
    • http://neliwiveles.22web.org/funeral_card_template_word_free.pdfIn PDF document text
    • http://i-men.ru/374771798400fyu.pdfIn PDF document text
    • http://korilemule.iblogger.org/mtd_42_inch_mower_parts_diagram.pdfIn PDF document text
    • https://cdn.sqhk.co/lepavenujal/o5Rcgg2/never_gone_ost_lyrics.pdfIn PDF document text
    • http://rakapugijumub.sportsontheweb.net/what_programming_language_does_arduino_ide_use.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/fatisake/zekagifobugexobi.pdfIn PDF document text
    • http://xiramubete.rf.gd/fighter_fish_breeding_malayalam.pdfIn PDF document text
    • https://s3.amazonaws.com/zonebon/givixevu.pdfIn PDF document text
    • http://kawerulim.onlinewebshop.net/kanoxuniduxiriwenanejuzu.pdfIn PDF document text
    • http://zevusup.atwebpages.com/multiple_intelligences_gardner.pdfIn PDF document text
    • http://zezexobufimorum.epizy.com/adb_start_android_settings.pdfIn PDF document text
    • https://s3.amazonaws.com/zubata/benim_hocam_ders_notlar_ygs.pdfIn PDF document text
    • http://suzufesa.epizy.com/chainage_marking_lisp_free.pdfIn PDF document text
    • https://s3.amazonaws.com/sedimeraxufi/wu_tang_american_saga_cast_names.pdfIn PDF document text
    • https://s3.amazonaws.com/dazinibonofobi/45855371913.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_off0000f750.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF750 5472 bytes
SHA-256: 021fbc0e2266d57a586fff00417f9e303131940997ff4c982821990b76e6eb11
font_01_sfnt_off000109e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109E1 10912 bytes
SHA-256: b2fb980d5828dceaeb3c2b3d5acbf6ad919500a12c893326e8cac2f663182777

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