Malicious PDF — malware analysis report

Static analysis result for SHA-256 059920feae255abc…

MALICIOUS

PDF

73.4 KB Created: 2021-03-01 11:50:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 0f48b28bd14e15e7166ddc2a76a37296 SHA-1: 459407c8633831aa80bae86621841bb25e1f3f14 SHA-256: 059920feae255abc15463dfc16c5f27f93e97f850d8e9099a4037ed642c3125c
96 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains an external URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The presence of embedded URLs and the overall structure suggest a phishing attempt disguised as a document.

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://maypoin.ru/strik?utm_term=what%2527s+the+best+chinese+pit+bike PDF link annotation
    • http://voicebftyi.com/the_things_they_carried_ambush1nvj2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382406/normal_6002166a44e86.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402247/normal_6009687287cae.pdfIn PDF document text
    • https://cdn.sqhk.co/vilubofi/xhhih8T/galeri_gen_halilintar_30_lagu.pdfIn PDF document text
    • http://lyudi23.ru/guvuvukebarukibulw6rj.pdfIn PDF document text
    • http://salearea.pro/18140196265vvxls.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368227/normal_5fdd3ffe3e295.pdfIn PDF document text
    • http://malanefire.sportsontheweb.net/26614747935.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490364/normal_5fcb06dd46c13.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486054/normal_5fe56d46d38f6.pdfIn PDF document text
    • http://vivekawiga.sportsontheweb.net/blackdecker_4_slice_toaster_oven_stainless_steel_to1700sg.pdfIn PDF document text
    • https://cdn.sqhk.co/fofateze/ia4ghTf/puzajot.pdfIn PDF document text
    • http://wegixaro.iblogger.org/32432526775.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kufalogomisag.epizy.com/nice_guidelines_exacerbation_of_copd.pdfIn PDF document text
    • http://javasuk.epizy.com/behringer_umc404hd_audio_interface_manual.pdfIn PDF document text
    • http://pokorekajuj.epizy.com/ac1200_dual_band_wifi_range_extender_manual.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_off0000e215.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE215 5144 bytes
SHA-256: e0e9797fc3a411d6028863776ca12f8f5fee02bd28a94e19ff746e8802d7c829
font_01_sfnt_off0000f3a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3A7 10812 bytes
SHA-256: b06c78d306e91e4df96bbdf70ec8f22bf2e79dbb68ab8b5fe51a169e102ec14b

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