Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d37b7300e84a401…

MALICIOUS

PDF

73.8 KB Created: 2021-03-25 10:56:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 56c7e97ddee9e7e8edfbecb4e4fcdd69 SHA-1: 000f32b1acc780f740616c8c558e23235d777680 SHA-256: 3d37b7300e84a4012df491a5d1bfc50a99d96f9435ed42fa8d1ea65adc98c027
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content, potentially for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://mezovuduw.ru/aws?utm_term=craftsman+gold+6.75+lawn+mower+190cc PDF link annotation
    • http://busibear.com/47449494963i7svy.pdfIn PDF document text
    • http://adminhalil.com/demonstrative_pronoun_worksheet_for_grade_2bjm2i.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4376601/normal_600527f679e13.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483842/normal_603287a52c246.pdfIn PDF document text
    • http://sdek-24.cc/jorovisumalijazokimotize2bts.pdfIn PDF document text
    • http://lovechat24.club/550488498668b4d3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409610/normal_5fdf10b538a5f.pdfIn PDF document text
    • https://cdn.sqhk.co/dufimogemeka/iidThhQ/gimepavaduzurobamakijom.pdfIn PDF document text
    • https://cdn.sqhk.co/judawube/E1geUhb/gugasadu.pdfIn PDF document text
    • http://zdorovie-vashe-vse.xyz/peace_is_every_step_audiobook_free1c6o0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376875/normal_60207a222be18.pdfIn PDF document text
    • http://hookup157.site/886368377dy2fa.pdfIn PDF document text
    • http://fullcreditreport.info/ao_escolar_en_el_extranjero_opiniones2b3wm.pdfIn PDF document text
    • http://xamoxipuwizutux.scienceontheweb.net/kaxibepitupiwutagaso.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4391340/normal_5fee6c7f9ef22.pdfIn PDF document text
    • http://shishkin-seed.xyz/78357143946ppoll.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/tobaziw/red_platform_heels_near_me.pdfIn PDF document text
    • https://s3.amazonaws.com/didowugorokirug/checking_out_me_history_form_and_structure.pdfIn PDF document text
    • https://s3.amazonaws.com/belopudevuzuza/71996772206.pdfIn PDF document text
    • https://s3.amazonaws.com/vofadoloves/banal.pdfIn PDF document text
    • https://s3.amazonaws.com/dalava/insurance_quote_form_template.pdfIn PDF document text
    • http://doxokalisawe.myartsonline.com/alimentacion_sana_y_saludable.pdfIn PDF document text
    • http://xoxekojut.onlinewebshop.net/how_many_watts_is_the_altec_lansing_life_jacket.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_off0000e0c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0C1 6080 bytes
SHA-256: 24b49c4d5b0622ffc086711eb3c3deb0205cb88f74d099d2f4542bc4511e50ae
font_01_sfnt_off0000f57e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF57E 10684 bytes
SHA-256: 5c158ec3265431008d148ccdf6ef7d51630dd53abf10c748209939f784b0d78c

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