Malicious PDF — malware analysis report

Static analysis result for SHA-256 5299e3ad6ad9b743…

MALICIOUS

PDF

74.6 KB Created: 2021-02-13 02:58:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: b9aa5ce7ddee78671d8d861c8002d645 SHA-1: a516044c2ba6ebf2325d13ce96068b92a1fcca83 SHA-256: 5299e3ad6ad9b74368e7a1cf5f57893d3ce88ccbd82ff99c7a458de2a83354b8
136 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it's a phishing lure for a password-protected archive. The embedded URL, https://druttle.ru/123?utm_term=pokemon+go+bot+apk+2020, likely serves as a download link for a secondary payload. The document's content and structure strongly suggest a phishing attempt to trick users into downloading malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://druttle.ru/123?utm_term=pokemon+go+bot+apk+2020 PDF link annotation
    • https://cdn.sqhk.co/niwonosorude/cifigIu/radioactive_decay_graph.pdfIn PDF document text
    • http://driveformclanemilwaukee.com/114955439704gh4e.pdfIn PDF document text
    • https://cdn.sqhk.co/metexemoraga/NNjhgcy/physical_chemistry_a_guided_inquiry_thermodynamics.pdfIn PDF document text
    • https://cdn.sqhk.co/dokukavifig/58ghgic/eset_parental_control_license_key_crack.pdfIn PDF document text
    • https://cdn.sqhk.co/tejosepu/i4ugehd/tirafas.pdfIn PDF document text
    • http://fortuneo.biz/problem_reading_game_content_destinyhp7rf.pdfIn PDF document text
    • http://biomaniks.website/directing_film_techniques_and_aesthey0k8a.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/lekizopiloref/vilupitibawiwexezavune.pdfIn PDF document text
    • https://s3.amazonaws.com/zesixefe/toxoplasma_gondii_treatment_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/xapijifas/imprimir_rfc_sat.pdfIn PDF document text
    • https://s3.amazonaws.com/fokapikow/free_printable_christmas_bunting_template.pdfIn PDF document text
    • https://s3.amazonaws.com/nokiva/swot_template_for_mac_pages.pdfIn PDF document text
    • https://s3.amazonaws.com/legapatatezisa/36893778993.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_off0000e622.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE622 5312 bytes
SHA-256: dd2d3f51c1a9c4865dd81f58997e59bbcd82b825fc2eedab0e713c44e61712f6
font_01_sfnt_off0000f82d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF82D 11316 bytes
SHA-256: c1ba03f399828ece9a3d4dec411e187af904b567be6de58d171853ebd82b15a5

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