Malicious PDF — malware analysis report

Static analysis result for SHA-256 19212fb7e7eb276d…

MALICIOUS

PDF

75.8 KB Created: 2021-04-13 02:33:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 5196c54b85063a568328b89ec3e6b5f0 SHA-1: ce19bfdb4731cd3fb3cd90dcde32ad5559e238ff SHA-256: 19212fb7e7eb276dcb58f89c6a89b6c8b9849403c9980d4ef93086756b36058e
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 0.9997

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://jottigo.ru/strik?utm_term=corporate+social+responsibility+companies+list+in+malaysia PDF link annotation
    • http://metiwizonud.getenjoyment.net/65386444629.pdfIn PDF document text
    • https://cdn.sqhk.co/pivokazi/jcpijpW/78735756929.pdfIn PDF document text
    • https://cdn.sqhk.co/mumeriretepi/gj3sIhg/71089655088.pdfIn PDF document text
    • https://cdn.sqhk.co/figakeves/ijdKgi5/lineage_2_revolution_best_pve_class_2020.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402504/normal_6003e11d9a074.pdfIn PDF document text
    • http://nuxipawuxodiwa.getenjoyment.net/vipipawolezivur.pdfIn PDF document text
    • http://file-id.ru/practice_solving_quadratic_equations_worksheetm7f1h.pdfIn PDF document text
    • http://manaluw.iblogger.org/19862539711.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486354/normal_6010a35a2778b.pdfIn PDF document text
    • http://epaytds.xyz/15478140047fnhy3.pdfIn PDF document text
    • http://biomaniks.website/lozobixanf76xk.pdfIn PDF document text
    • http://goodsun.fun/372764114702lhhr.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/rojalexipokadaz/windows_narrator_keyboard_commands.pdfIn PDF document text
    • http://rinimodosejowuf.myartsonline.com/ccnp_troubleshooting_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/nosepevozux/form_ad-_343_payroll_action_request.pdfIn PDF document text
    • http://dewubutojuza.rf.gd/platformio_include_path.pdfIn PDF document text
    • http://kevejabituzonub.epizy.com/zeded.pdfIn PDF document text
    • https://s3.amazonaws.com/jadere/learning_by_doing_italiano.pdfIn PDF document text
    • https://s3.amazonaws.com/pujirageg/full_hd_movies_kabir_singh.pdfIn PDF document text
    • http://vigaroxirari.epizy.com/67307172379.pdfIn PDF document text
    • https://s3.amazonaws.com/mefadedosuw/ramuzugamila.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_off0000eb8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB8D 5228 bytes
SHA-256: 2992662c8c1e59277403327e7266e5b2628a5412beb7dfae11131d7c2ef04499
font_01_sfnt_off0000fd3a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD3A 10668 bytes
SHA-256: 8a935d8d935a8a701e3fc904bb4fb5ea792f162a3b1fa3816db483e467c684b1

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