Malicious PDF — malware analysis report

Static analysis result for SHA-256 d126bb4304ec664e…

MALICIOUS

PDF

177.6 KB Created: 2021-02-10 21:37:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: b50dbc5d3f9a36449435a6a54579f919 SHA-1: d3a4debea0cb5eaf870a7715aed18c112ba2b689 SHA-256: d126bb4304ec664e84d47ed779884ec215c8aac7e0fbfd68bff594ef274e31fa
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'baarspo.ru', which is likely used to redirect the user to a malicious site or download a payload. The document body, though heavily obfuscated, suggests it is a lure document, potentially for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

Heuristics 3

  • 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
  • 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://baarspo.ru/aws?utm_term=moment+js+format+date+to+utc PDF link annotation
    • https://cdn.sqhk.co/navimoxa/gFDvhje/34989132058.pdfIn PDF document text
    • https://ganulexotugoris.weebly.com/uploads/1/3/1/1/131164012/jogodegod-fesodiri.pdfIn PDF document text
    • https://cdn.sqhk.co/goxobuve/UMiiuei/spiral_jetty_art_analysis.pdfIn PDF document text
    • https://cdn.sqhk.co/fixefalid/dg1nL1x/67812245894.pdfIn PDF document text
    • https://cdn.sqhk.co/ragojagef/jfhgfje/road_trip_comedy_movies_list.pdfIn PDF document text
    • https://cdn.sqhk.co/zewezerezi/hh2jc10/how_do_you_draw_an_ice_cream_sandwich.pdfIn PDF document text
    • https://dataremidesop.weebly.com/uploads/1/3/4/6/134697992/nokurekukomarasema.pdfIn PDF document text
    • https://cdn.sqhk.co/woleparos/6jchg3Y/69463744656.pdfIn PDF document text
    • https://cdn.sqhk.co/xugavizira/hcheibc/stickman_superhero_unblocked.pdfIn PDF document text
    • https://cdn.sqhk.co/gemadaruvow/XgjYbYf/big_rig_tow_trucks_for_sale.pdfIn PDF document text
    • https://cdn.sqhk.co/pojizurigos/BicKwvQ/35306897565.pdfIn PDF document text
    • https://danuredotur.weebly.com/uploads/1/3/2/8/132814989/5788173.pdfIn PDF document text
    • https://cdn.sqhk.co/tedalome/w3hhXgi/gang_clash_mod_apk_1._0_4.pdfIn PDF document text
    • https://cdn.sqhk.co/vagekoxes/6gcciag/mofogogiwumo.pdfIn PDF document text
    • https://cdn.sqhk.co/navezige/7QjgOhf/nepomelevizomoge.pdfIn PDF document text
    • https://vuxulirupam.weebly.com/uploads/1/3/5/3/135346280/51d2b22bb241.pdfIn PDF document text
    • https://s3.amazonaws.com/voropa/katinig_patinig_worksheets_grade_3.pdfIn PDF document text
    • https://s3.amazonaws.com/pevuwarobuvowa/how_to_write_a_letter_uk_template.pdfIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00028ad0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x28AD0 19272 bytes
SHA-256: 651978032e6dc30c50702dc63d371d0a237f8da912a5672367f0c7fcf724b2c7

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