Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2864ef619f7130d…

MALICIOUS

PDF

69.0 KB Created: 2021-02-23 22:31:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 5b4816a7cac8725fd8ed062f1cb191a0 SHA-1: 157053947dac774c7057bc2d84308d181e308ff5 SHA-256: d2864ef619f7130d2ed881a52cf2104b6f2f36e529f69524fa7c57c2fad3b797
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=free+willy+un+amico+da+salvare+streaming+ita PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4387229/normal_6000a02122638.pdfIn PDF document text
    • http://silvanozito.online/what_is_laboratory_apparatus_meaningx36di.pdfIn PDF document text
    • http://gnoogle.site/how_to_write_evaluation_report_samplecbrmr.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4407729/normal_5fcace08e7983.pdfIn PDF document text
    • http://paruvam.22web.org/vans_old_skool_plataforma_el_corte_ingles.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454055/normal_5ffb4114caf35.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375889/normal_5fe0895f4f9fe.pdfIn PDF document text
    • http://muzidos.iblogger.org/91393596347.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408721/normal_6031923d46168.pdfIn PDF document text
    • http://ita-bio.space/bleach_the_movie_4_sub_indoyevnm.pdfIn PDF document text
    • http://rastet-malysh.ru/niluvewiwojowogobojaztc4qs.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402724/normal_601dfb2304b76.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pofiwun.rf.gd/folizasebadokumejij.pdfIn PDF document text
    • http://togipumenotu.epizy.com/cheap_bassinet_sheets_australia.pdfIn PDF document text
    • https://s3.amazonaws.com/suximawo/colors_kannada_voot_app_free.pdfIn PDF document text
    • https://s3.amazonaws.com/fizaxo/custom_action_bar_android_material_design.pdfIn PDF document text
    • https://s3.amazonaws.com/pokixovuxik/m6_cumbria_traffic_report.pdfIn PDF document text
    • http://fivasire.rf.gd/avg_antivirus_full_version.pdfIn PDF document text
    • https://s3.amazonaws.com/zafibimutadoti/les_miserables_full_album_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/xutomoxu/template_ppt_dan_animasi_free.pdfIn PDF document text
    • https://s3.amazonaws.com/risisipajole/pre_algebra_worksheet_generator.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_off0000ce94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE94 5468 bytes
SHA-256: 1e879e8a58492a2bbb5fa97e67ba8a4dce91effa3cc40862a9bbb0c2080b4c20
font_01_sfnt_off0000e134.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE134 10968 bytes
SHA-256: 8edf78fb44ac5f1a3c1a9eabb5abb2d3f77123513991af0b8326dff74c741050

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