Malicious PDF — malware analysis report

Static analysis result for SHA-256 9afe0de4f71a8114…

MALICIOUS

PDF

74.7 KB Created: 2021-02-28 08:10:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 4db77dc1f50e62f7701f02b5fb171d6d SHA-1: 849a50b2a705b7267d4bb6027606de949a38e395 SHA-256: 9afe0de4f71a8114080bd7850d293e1fa87d1a36c31f8da38aa0ce85059afb9e
96 Risk Score

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 0.9998

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://soxebez.ru/123?utm_term=ms+project+export+gantt+chart+pdf PDF link annotation
    • http://sevagawos.getenjoyment.net/sewofozotezasuwasotigegiz.pdfIn PDF document text
    • http://taxurofetizi.22web.org/18555839160.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lofetumavigasi.epizy.com/cant_set_up_fitbit_versa_lite.pdfIn PDF document text
    • https://s3.amazonaws.com/tobaziw/xazinikuvedatuwoxa.pdfIn PDF document text
    • http://tinipolevuzow.epizy.com/facebook_ad_size_guidelines_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/mujevubutukoxu/report_driver_license_lost_california.pdfIn PDF document text
    • http://nuzavaxevarap.epizy.com/90741220178.pdfIn PDF document text
    • https://s3.amazonaws.com/kudowo/wukiduwebomibifufugatubu.pdfIn PDF document text
    • https://s3.amazonaws.com/kikunojulejuj/cyborg_full_movie_mp4.pdfIn PDF document text
    • http://gugogedufos.epizy.com/o_capitalismo_para_principiantes.pdfIn PDF document text
    • https://s3.amazonaws.com/pilazi/endling_the_last_guided_reading_level.pdfIn PDF document text
    • https://s3.amazonaws.com/baposivarabuj/gameloft_asphalt_8_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/senodiw/zotozopekobi.pdfIn PDF document text
    • http://rizivubonulej.atwebpages.com/99213390390.pdfIn PDF document text
    • http://wejopapoxevore.epizy.com/13736489705.pdfIn PDF document text
    • http://xifofemixogo.rf.gd/moe_eotc_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/devuxuzejozam/gevutabexejisikigevufufe.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_off0000e5f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5F8 5532 bytes
SHA-256: 6b57c9cc59f5421f471396465e240b835e57fd860a204983bcf18eab874ebb71
font_01_sfnt_off0000f8df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8DF 10740 bytes
SHA-256: faec32f176e4d78a22d6ef8dc0cf6cf2f45ec685b752ef9b108d0f0e9d4df0a2

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