Malicious PDF — malware analysis report

Static analysis result for SHA-256 dabde3015d497abc…

MALICIOUS

PDF

80.1 KB Created: 2021-03-02 07:01:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: a7deee180d83b2fdbe1fd2006c95333e SHA-1: 945681b204bdb0710cc1b776dfe230637bcba883 SHA-256: dabde3015d497abcf49c7dd73b86d3cf4278ffbad97388fa22e3e5158019823f
96 Risk Score

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 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://baarspo.ru/strik?utm_term=currency+exchange+for+dummies PDF link annotation
    • http://bovewitavivebu.getenjoyment.net/patomilolutepedinapez.pdfIn PDF document text
    • http://bagesopabiwub.scienceontheweb.net/the_secret_book_of_john_apk.pdfIn PDF document text
    • http://ionatr.fun/alamo_colleges_staff_pay_scale_2018axtky.pdfIn PDF document text
    • http://dakisemakegag.sportsontheweb.net/ford_4500_backhoe_parts_manual.pdfIn PDF document text
    • https://cdn.sqhk.co/goworonol/ejcu3gd/hearts_of_iron_5_cheats.pdfIn PDF document text
    • http://niburufajanuto.sportsontheweb.net/60305780595.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/fikuvine/smart_band_watch_price_in_ksa.pdfIn PDF document text
    • https://s3.amazonaws.com/gebukil/gasezisizobaguzulat.pdfIn PDF document text
    • https://s3.amazonaws.com/bezorito/altered_traits_summary.pdfIn PDF document text
    • https://s3.amazonaws.com/vofadoloves/bushnell_24mp_trophy_aggressor_low_glow_camo_trail_camera_reviews.pdfIn PDF document text
    • http://nibizuladode.onlinewebshop.net/matige.pdfIn PDF document text
    • https://s3.amazonaws.com/jotogorurekuro/wurozopejozazu.pdfIn PDF document text
    • https://s3.amazonaws.com/pibajuwi/xanolavozugi.pdfIn PDF document text
    • https://s3.amazonaws.com/bevekizadoxuj/30700860272.pdfIn PDF document text
    • https://s3.amazonaws.com/zizene/expense_report_approval.pdfIn PDF document text
    • https://s3.amazonaws.com/jojitagifuva/nixon_corporal_ss_gold_extra_links.pdfIn PDF document text
    • https://s3.amazonaws.com/wezukep/jozuxajelenawezagul.pdfIn PDF document text
    • https://s3.amazonaws.com/napejaxosinages/xajerurerunewolonaziwupep.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_off0000fb43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB43 5480 bytes
SHA-256: 865f978051b223a9580ebc7adeb1b61b8087b71af0b7a0442889d60c777c057f
font_01_sfnt_off00010dcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DCB 10648 bytes
SHA-256: 50dcb8a8197494e6f89e6f736e69cd462e6e718bc5acfef02062935412adabf2

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