Malicious PDF — malware analysis report

Static analysis result for SHA-256 87348d2623dba7be…

MALICIOUS

PDF

78.4 KB Created: 2021-03-08 15:08:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 3a6722bd388bea51f70b8d0efa97bd36 SHA-1: 9471eee2b13cfbf7b4c2a280793d5b5e00658d46 SHA-256: 87348d2623dba7be0ab7d38bbbf02f1cebecfe2474b1b7408256559ad8be49cc
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL pointing to a suspicious domain, identified by heuristics and ClamAV as malicious. The document body, though heavily obfuscated, suggests a lure related to 'Marvel movies'. The presence of external URIs and the ML classifier's high confidence indicate a phishing or malware distribution attempt. No scripts were extracted, but the overall structure and URL suggest an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://fokemale.ru/strik?utm_term=marvel+movies+in+order+of+release+date+on+disney+plus PDF link annotation
    • https://cdn.sqhk.co/sizafutito/kSvjaic/18493187228.pdfIn PDF document text
    • https://cdn.sqhk.co/tinodifozeza/jcofygd/bluffton_sc_hurricane_news.pdfIn PDF document text
    • http://blacktea.space/71023813768htjvb.pdfIn PDF document text
    • https://cdn.sqhk.co/pijuvedozuw/2GzgfNF/download_block_puzzle_jewel_1010.pdfIn PDF document text
    • https://cdn.sqhk.co/vifamepupib/bEqicG6/noor_dairy_self_assessment.pdfIn PDF document text
    • http://store50off.info/beiimaan_love_songs_mp4_freeu59rp.pdfIn PDF document text
    • http://contact-git.top/tavilodos0tqi6.pdfIn PDF document text
    • http://salopkisa.website/nobijakogubuz979g.pdfIn PDF document text
    • http://hocostyle.ru/can_i_contact_facebook_to_recover_accountaq295.pdfIn PDF document text
    • http://sosed.market/83232224455s21sp.pdfIn PDF document text
    • http://gagarinski.su/747725877826p1i0.pdfIn PDF document text
    • https://cdn.sqhk.co/gasajolop/ZImnhc5/best_free_fps_offline_games_for_pc.pdfIn PDF document text
    • http://slampochka.ru/figexozojond3w9.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/wizitifowubux/popular_piano_sheet_music_for_intermediate.pdfIn PDF document text
    • https://s3.amazonaws.com/tinivukedeta/jerumufisozukejolunukomer.pdfIn PDF document text
    • https://s3.amazonaws.com/goneduzum/clarinet_duet_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/nagev/63881725922.pdfIn PDF document text
    • https://s3.amazonaws.com/zasepo/boney_m_old_songs_free.pdfIn PDF document text
    • https://s3.amazonaws.com/zepifudoxapo/matrix_worksheet_with_answers.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_off0000f515.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF515 5356 bytes
SHA-256: ccee34ff15e995292dd4010ad43e25a1799ebb8c25a60e1c6064a025946de694
font_01_sfnt_off0001074c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1074C 10692 bytes
SHA-256: 3f907f94454ea664956488c0bd11dd3687a39c26792f30d426f4070262495ba7

Open this report in the interactive analyzer, or submit your own file for analysis.