Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4e25e9d34c6bb68…

MALICIOUS

PDF

72.1 KB Created: 2021-02-19 06:40:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: a3c5a20fc9ddbe882be762c699a3c0eb SHA-1: 5b250a99ff2bbe6637f965c5bf834e513b7acbff SHA-256: d4e25e9d34c6bb68df80245319a4ec51450ffc4c8760d57fe508cab8570f1ec4
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://bologen.ru/aws?utm_term=camp+x+ray+full+movie+download+in+hindi+hd PDF link annotation
    • http://pixell.store/windows_server_2012_free_download_iso_64_bit_cracku02je.pdfIn PDF document text
    • http://levantemosaic.com/74420455721ccvt3.pdfIn PDF document text
    • http://newberginvestmentproperty.com/tekezanip5ik6d.pdfIn PDF document text
    • http://naropiwazufilu.22web.org/whatsapp_messenger_for_apple_ipad.pdfIn PDF document text
    • http://visebadegu.iblogger.org/bebowobufubaberugagufud.pdfIn PDF document text
    • http://vosaret.iblogger.org/us_address_abbreviations.pdfIn PDF document text
    • http://juvugewit.iblogger.org/97200879442.pdfIn PDF document text
    • http://bigwin-1xbet.fun/payzapp_apk_all_versionlaqgf.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/tuxexi/enstars_wiki_guide.pdfIn PDF document text
    • http://sexililelaweru.rf.gd/drumline_imdb_parents_guide.pdfIn PDF document text
    • http://fonaxipovun.epizy.com/alif_se_mr_x_song_hd.pdfIn PDF document text
    • https://s3.amazonaws.com/wekibik/e_l_pet_insurance_continuation_claim_form.pdfIn PDF document text
    • https://s3.amazonaws.com/genukopapovixo/35095101413.pdfIn PDF document text
    • https://s3.amazonaws.com/kujapomib/consul_template_github.pdfIn PDF document text
    • http://nisuzadusidu.epizy.com/international_investment_law_and_arbitration.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_off0000dce2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCE2 5328 bytes
SHA-256: f18e9f7765b528cdd82fecd025a69792703ad30cab7a2f0ac9eb31aa2e769459
font_01_sfnt_off0000eef5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEF5 10492 bytes
SHA-256: 97b1d7acc2237074d6e27fc264db471cf1deee824d55ba7d1a7a125f258122f1

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