Malicious PDF — malware analysis report

Static analysis result for SHA-256 96f103c6246a79cf…

MALICIOUS

PDF

80.1 KB Created: 2021-02-18 16:33:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 80a8022700e5aff2265f35f1ed6c79e9 SHA-1: f0e6d233bdf52de2c3a6ceec8b90be71c9bb2ea3 SHA-256: 96f103c6246a79cf2706d0fba0bcd82e0c4cc86b37c8d534a9c6b6b49ba839a4
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 0.9998

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://druttle.ru/123?utm_term=ejemplos+de+resumen+de+un+trabajo+escrito PDF link annotation
    • http://prostotit.site/110146344752y9h9.pdfIn PDF document text
    • http://groby-ritual.online/teduluxipa96h4t.pdfIn PDF document text
    • http://misirabul.22web.org/80073239580.pdfIn PDF document text
    • http://wonnaturila.space/logo_v_o_u_real_madrid_trong_drew79jn.pdfIn PDF document text
    • http://raisinshub.club/7-_split_merge_portableajc9v.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426267/normal_5fced0dfa81a7.pdfIn PDF document text
    • http://prostochillforum.fun/fotedadewya2rr.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502248/normal_602758e8e4b36.pdfIn PDF document text
    • http://copyright-security-ig.com/catherine_full_body_soundtrackstpzr.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418783/normal_60109bb898067.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/remufuzu/analytical_chemistry_powerpoint_template.pdfIn PDF document text
    • https://s3.amazonaws.com/gifiz/50325541479.pdfIn PDF document text
    • https://s3.amazonaws.com/jagux/acc_guidelines_stable_angina.pdfIn PDF document text
    • https://s3.amazonaws.com/jejulurowev/destiny_2_attunement_of_grace_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/vuxagixil/html_formatter_2_spaces.pdfIn PDF document text
    • http://wibekemuxeni.epizy.com/58015755021.pdfIn PDF document text
    • http://xatudoxi.epizy.com/philips_avent_monitor_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/lefemijip/76078863839.pdfIn PDF document text
    • https://s3.amazonaws.com/zidenigad/young_ma_chiraq_freestyle.pdfIn PDF document text
    • https://s3.amazonaws.com/pobixedele/asphalt_nitro_free_apkpure.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
font_00_sfnt_off0000ebfe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBFE 5272 bytes
SHA-256: 036ae2602e01a77957ca0d479185a8bd56752042d7062660c32d339164e9fc4e
font_01_sfnt_off0000fdcc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDCC 11540 bytes
SHA-256: e3897cb8256c269a89ff124ab337301ad5465658223dc90ac50cce443faf0e10
font_02_sfnt_off00012324.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12324 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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