Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9718bc818b985ce…

MALICIOUS

PDF

77.0 KB Created: 2021-03-26 10:20:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 6e9e5c63a4f90c7f416c912387f37094 SHA-1: 4e04e94b552f76520cf3919195a0677e8d22616a SHA-256: e9718bc818b985ce5d7c3df86a43835044c1eb9678b6b4092b42e1324d6f61bb
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file is a PDF document identified as malicious by ML classifiers and ClamAV. It contains an embedded URI pointing to a suspicious domain, likely intended to deliver a payload disguised as 'Botim for windows pc' software. The document body, though heavily obfuscated, contains references to the application name, reinforcing the phishing lure.

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://ponafet.ru/123?utm_term=botim+for+windows+pc PDF link annotation
    • http://rozewevojalel.sportsontheweb.net/does_gluten_free_flour_taste_bad.pdfIn PDF document text
    • http://bawawurojetuve.22web.org/62823436768.pdfIn PDF document text
    • https://cdn.sqhk.co/visukodo/ick1ggj/moronebatomikuxewujemu.pdfIn PDF document text
    • https://cdn.sqhk.co/kibutonap/heHHhjQ/pixel_buds_black_friday_sale.pdfIn PDF document text
    • http://zakewabo.scienceontheweb.net/how_do_i_set_my_ac_to_heat_mode.pdfIn PDF document text
    • https://cdn.sqhk.co/luluzefob/7OjchbF/17652504994.pdfIn PDF document text
    • http://pabufit.22web.org/momopulaperi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bilunijo.epizy.com/5th_grade_math_worksheets_cbse.pdfIn PDF document text
    • https://s3.amazonaws.com/julaxel/basic_story_elements_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/bezutu/zidijolonekogasizej.pdfIn PDF document text
    • http://wififeju.atwebpages.com/gopiwowofozowiginaxo.pdfIn PDF document text
    • http://fazitewem.rf.gd/biblia_interlineal_gratis.pdfIn PDF document text
    • https://s3.amazonaws.com/dowesitobuga/creative_company_profile_design.pdfIn PDF document text
    • https://s3.amazonaws.com/zatazewoz/apa_research_paper_outline_template_word.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6684e02f-a860-45dc-907a-7d3029f66143/nuzimogugudase.pdfIn PDF document text
    • http://welidigukiru.epizy.com/neguwozusiwabiwupedat.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8fb85d48-ddd7-46f1-88d8-afc35268ed6d/o_come_o_come_emmanuel_chords_dm.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4fb14707-9585-4b58-8414-e213f8784df2/95474292335.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_off0000eda1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDA1 5200 bytes
SHA-256: eb1f9c24153fb891a6c05d8d303314c41e5fe1723d0698937ad71da5104d802f
font_01_sfnt_off0000ff58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF58 11700 bytes
SHA-256: 86ea7cb981c539b30a807c3a6c3899376be6379a8cae6ea7769c320ca8b48a71

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