Malicious PDF — malware analysis report

Static analysis result for SHA-256 c64d48742adf62ee…

MALICIOUS

PDF

97.4 KB Created: 2021-03-15 08:45:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: faf7047bb1fb529c0c24ae510846ae52 SHA-1: f6f627a65bf71f9c147f3b17a8901df8a99500d8 SHA-256: c64d48742adf62eea6967b02ddcc3e14c53333953ee600013833ff734a15587f
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. The embedded URL, 'https://leonvi.ru/award?keyword=sociology+of+gender+pdf+in+marathi', is the primary indicator of malicious intent, likely leading to a phishing page or malware download. No scripts were extracted, but the PDF structure and embedded URI heuristic suggest a social engineering lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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://leonvi.ru/award?keyword=sociology+of+gender+pdf+in+marathi PDF link annotation
    • https://cdn.sqhk.co/pometobab/RXZgdgj/fenipumu.pdfIn PDF document text
    • https://togelugifipa.weebly.com/uploads/1/3/4/6/134648123/penugozirolafobagub.pdfIn PDF document text
    • https://cdn.sqhk.co/safubuguva/jmLgisA/world_war_3_zombie_waves_game.pdfIn PDF document text
    • http://xafesuvorolivig.scienceontheweb.net/letra_en_espaol_de_la_cancion_7_years_de_lukas_graham.pdfIn PDF document text
    • http://zijixiteluwek.scienceontheweb.net/brandon_sanderson_rhythm_of_war_book.pdfIn PDF document text
    • https://cdn.sqhk.co/vapelomusanu/1Lgfjbo/50559683117.pdfIn PDF document text
    • http://tavaxibewoposo.iblogger.org/asus_backtracker_windows_8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4498992/normal_60328411ab1ca.pdfIn PDF document text
    • http://jajuviramigawo.medianewsonline.com/31960864044.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413570/normal_5fd1852d73e60.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380876/normal_60082e7fce16b.pdfIn PDF document text
    • https://cdn.sqhk.co/kitatoze/dgeEEgf/27680512358.pdfIn PDF document text
    • https://tumokisomagen.weebly.com/uploads/1/3/4/8/134897409/nopizikit-kuzova-xosadanifo-puxatezuxu.pdfIn PDF document text
    • https://cdn.sqhk.co/kevekelobivo/hihaijM/survival_backpack_with_supplies.pdfIn PDF document text
    • http://merogerofame.66ghz.com/65770262408.pdfIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bemabam.myartsonline.com/peter_kaufman_net_worth.pdfIn PDF document text
    • https://s3.amazonaws.com/zidenigad/gas_prices_in_1986_in_california.pdfIn PDF document text
    • https://s3.amazonaws.com/faluzotixupi/73949567931.pdfIn PDF document text
    • https://s3.amazonaws.com/jopomodilamego/video_cutter_full_version_free_crack.pdfIn PDF document text
    • https://s3.amazonaws.com/xapidajovaji/swot_analysis_report_template.pdfIn PDF document text
    • https://s3.amazonaws.com/kifutizijebuj/ngaqonywa_amapiano_remix_song.pdfIn PDF document text
    • http://sulijugofogim.onlinewebshop.net/leer_caballo_de_troya_6.pdfIn PDF document text
    • http://jokipuzovorije.epizy.com/ivory_soap_between_sheets_leg_cramps.pdfIn PDF document text
    • http://rubofad.rf.gd/dungeons_and_dragons_essentials_kit_rulebook.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00013d8f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x13D8F 19640 bytes
SHA-256: a8eaead107d2c7485061c87b124e4d027d9fab959ec250027a684ad6ef7a6019
font_00_sfnt_off0001062d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1062D 5596 bytes
SHA-256: 81e471a2c46c62997f4618041df2ccd7199929782cd72081de1027df5382525d
font_01_sfnt_off00011912.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11912 10596 bytes
SHA-256: 02bd05f8da3e716c8f046a632bfe83cb4e9e76a087b6075f324e4c819cfd50df

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