Malicious PDF — malware analysis report

Static analysis result for SHA-256 9129a738cde467ec…

MALICIOUS

PDF

73.9 KB Created: 2021-03-16 09:18:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: a9aa97a25c033ff290c3b42cc80f3eeb SHA-1: a97bb7260f2ac238fa5ba8a4488c6191aa43dd96 SHA-256: 9129a738cde467ecaf8303b2d683c0af4e066a78d93a2834dee2b7972ac82f9f
96 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Borderliner tv series' and embeds a URL pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to exploit the user's interest and lead them to a potentially harmful resource.

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://lozipotod.ru/123?utm_term=borderliner+tv+series PDF link annotation
    • http://nominasacra.ru/dujadatugalediwikotapipir21ncu.pdfIn PDF document text
    • http://bestpriceforukraine.xyz/what_did_the_jacobins_want_in_the_french_revolutiono96jp.pdfIn PDF document text
    • https://cdn.sqhk.co/dutudovajud/jgjgOhc/fujufogedaxij.pdfIn PDF document text
    • http://tezoxefakalexo.sportsontheweb.net/how_to_clean_dirt_devil_power_max_filter.pdfIn PDF document text
    • http://vudifabofugejij.medianewsonline.com/billie_s_bounce_alto_sax.pdfIn PDF document text
    • http://dutarotanazosuv.medianewsonline.com/holt_chemistry_textbook_answers.pdfIn PDF document text
    • https://cdn.sqhk.co/duxisabaza/ghrSI2k/new_zealand_standard_curriculum_vitae_template.pdfIn PDF document text
    • http://community-day.ru/el_rey_del_tomate_pelcula_completa_netflixiviuv.pdfIn PDF document text
    • http://copyrighthelp.info/old_national_bank_evansville_in_washington_avecfogu.pdfIn PDF document text
    • http://stroymarketmetal.ru/34187867190tofii.pdfIn PDF document text
    • https://cdn.sqhk.co/pagupuxu/jjjche8/dragon_city_hack_ios_2020.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/tawosutosuxi/que_es_arduino_1.pdfIn PDF document text
    • https://s3.amazonaws.com/pewibim/malnutrisi_adalah.pdfIn PDF document text
    • http://vebusatoro.atwebpages.com/apc_back-ups_es_450_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/nerugiraxura/95708779049.pdfIn PDF document text
    • https://s3.amazonaws.com/sojenozap/free_printable_year_5_comprehension_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/wetevali/byomkesh_bakshi_samagra.pdfIn PDF document text
    • https://s3.amazonaws.com/vipinib/18708801345.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_off0000e4ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4AC 4716 bytes
SHA-256: cc9d3ba068d0d05da56a757dfdd5ba52371bacc3d9cc789151b954704feec8c3
font_01_sfnt_off0000f4cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4CB 11140 bytes
SHA-256: f931ef26a2dd5b8f1597ac2684f4abc3e9ab4ba05bce1882e9a2d3660b1cef5b

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