Malicious PDF — malware analysis report

Static analysis result for SHA-256 beab771cddf30fd8…

MALICIOUS

PDF

75.2 KB Created: 2021-03-01 23:50:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 59b9dbdfb77c08420499529e3222d56f SHA-1: 9205758e27744c64e71e04b8740d68dc402e75fb SHA-256: beab771cddf30fd84757166c191c18c7fe3f55781dbf3490638b793b26d0bbb1
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URI pointing to a suspicious domain. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The embedded URL suggests an attempt to redirect the user to a malicious site for further exploitation.

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/wix?keyword=tera+class+guide+2017 PDF link annotation
    • http://counterman.ru/sarawalenafopimofavegorc3jk5.pdfIn PDF document text
    • http://top-agent.ru/56532206755efpn3.pdfIn PDF document text
    • http://maturibcgj.space/what_is_the_general_composition_of_earths_oceanic_crustj4n6x.pdfIn PDF document text
    • http://zabodolodak.iblogger.org/alphabet_letter_display_templates.pdfIn PDF document text
    • http://daddytestit.xyz/nikon_coolpix_s60_battery_charger0exg2.pdfIn PDF document text
    • http://pokupka.space/tofazofaveliravaresuno86vye.pdfIn PDF document text
    • http://sunny-web.ru/la_divina_comedia_libro_completo_en_espaolxu1b7.pdfIn PDF document text
    • http://strita.space/philips_series_5000_replacement_parts4ho9v.pdfIn PDF document text
    • http://lajibodomemebev.66ghz.com/latosexitawiperenasofazif.pdfIn PDF document text
    • http://khanapoorti.com/kozesivonebufazajg95r.pdfIn PDF document text
    • http://lijasojaxivura.22web.org/88931084115.pdfIn PDF document text
    • http://muvibigi.22web.org/cell_biology_notes.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/sefabe/64621019792.pdfIn PDF document text
    • https://s3.amazonaws.com/jitimesolagun/73569857822.pdfIn PDF document text
    • https://s3.amazonaws.com/gomaxod/77382034925.pdfIn PDF document text
    • https://s3.amazonaws.com/pesetufavo/2012_elantra_repair_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/gonafoziguwewe/microservices_architecture_book.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_off0000e923.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE923 5460 bytes
SHA-256: 4e2fc04bfd21bc229812833063fe41176d643f01958d0c9bd08372750701e482
font_01_sfnt_off0000fbc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBC5 10672 bytes
SHA-256: 105b553063e7018febffe19a42f6124e8713b31ab47f6ef3409118b6edf787a1

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