Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea46212639caf028…

MALICIOUS

PDF

76.4 KB Created: 2021-03-19 13:07:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: d248b6e79e21413a2c3f62ced372fe5e SHA-1: dcc4806064db0368a84254d83b833c84f91f572b SHA-256: ea46212639caf028f2ee9ded090dba3211cd5b64f5b4f4ed8a7ed73d7423951e
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://zajinet.ru/123?utm_term=assessment+center+pdf+espa%25C3%25B1ol PDF link annotation
    • https://rawuvuxa.weebly.com/uploads/1/3/4/0/134019107/3761173.pdfIn PDF document text
    • https://cdn.sqhk.co/nakunadubux/jfTCuvu/capsicum_extract_supplements.pdfIn PDF document text
    • https://pimiwunuxijekez.weebly.com/uploads/1/3/2/7/132741089/2321363.pdfIn PDF document text
    • https://cdn.sqhk.co/tewokozogop/gggjgg9/graphic_designer_job_description_examples.pdfIn PDF document text
    • https://jivikusobule.weebly.com/uploads/1/3/5/3/135326696/846042.pdfIn PDF document text
    • https://kufofena.weebly.com/uploads/1/3/4/5/134504524/vofaxiker.pdfIn PDF document text
    • https://lozezuxugi.weebly.com/uploads/1/3/4/0/134016676/juriridaf.pdfIn PDF document text
    • http://betmoy56.com/29325476573iqtjv.pdfIn PDF document text
    • https://cdn.sqhk.co/jukelifawap/hib3hhJ/football_stickers_for_whatsapp_wastickerapps.pdfIn PDF document text
    • http://siteznakomstv69.space/castle_miner_z_free_download_pcjq7gc.pdfIn PDF document text
    • https://cdn.sqhk.co/guzunilepin/f7gifib/24133323543.pdfIn PDF document text
    • http://prodit.space/europe_front_full_2._3._1hy0gv.pdfIn PDF document text
    • http://blu-ital.space/97439621150covg8.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/dbb01ce5-55e5-4f33-8f0e-ddcad46356be/how_to_record_your_own_music_on_tiktok.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxawetawupo/cesc_bill_payment_app.pdfIn PDF document text
    • https://s3.amazonaws.com/niwotipugonuvoz/7345185587.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3a515811-d973-491e-8202-4a2b6701e484/90393449468.pdfIn PDF document text
    • https://s3.amazonaws.com/bikikanafopavu/46025048204.pdfIn PDF document text
    • https://s3.amazonaws.com/legapatatezisa/glass_sword_book_summary.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b987a070-f004-45cb-a29c-0cc3252435a3/vetapip.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/715dbb3f-caef-4103-b1fe-309eec5cf4d1/38726452153.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ffb1a22b-c809-446a-8489-1b240386af37/ducane_furnace_troubleshooting_codes.pdfIn PDF document text
    • https://s3.amazonaws.com/nutanigonu/24287560466.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_off0000e83a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE83A 5504 bytes
SHA-256: e60b60defab882a0c6880ba2c84b6ff72ddee7f561bedcb9bd5a8d5e509649c5
font_01_sfnt_off0000fa9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA9A 12444 bytes
SHA-256: 39f2fc611c1a2c341f833cfe43434fdb2a304a93dbbfb33ae555aa95232128a7

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