Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fb08a28c9f12df3…

MALICIOUS

PDF

82.8 KB Created: 2021-02-19 18:02:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 6c2e50650dd2f9c99ce4aba23e66a996 SHA-1: 89d260f8525c5ffea9d6f96f6f653d10bea9450b SHA-256: 6fb08a28c9f12df338bf277c4912168e8dc25d8b1e9b3e5a1e93ba29721d5068
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9996

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://seumenha.ru/123?utm_term=what+does+my+pink+elephant+mean PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4428341/normal_5ff436d7337df.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4500425/normal_601d4b2529552.pdfIn PDF document text
    • http://shimano-stradic.ru/akhiyon_ka_ye_kajal_ganabpf29.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392651/normal_60217f7b7ad1b.pdfIn PDF document text
    • http://vofanepukasur.22web.org/junior_business_analyst_sample_resume.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4473052/normal_5febe171d2229.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410462/normal_6001e5d7421a5.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/vokeri/cherial_weather_report.pdfIn PDF document text
    • https://s3.amazonaws.com/bakoloj/project_plan_template_excel_vertex42.pdfIn PDF document text
    • https://s3.amazonaws.com/vavebufevodutob/jepavesodipisigapi.pdfIn PDF document text
    • https://s3.amazonaws.com/towakog/41068871171.pdfIn PDF document text
    • https://s3.amazonaws.com/megelugik/buteb.pdfIn PDF document text
    • https://s3.amazonaws.com/jukoxisojow/najotebonixepe.pdfIn PDF document text
    • http://rozibata.epizy.com/viwojijikuxatujotonusi.pdfIn PDF document text
    • https://s3.amazonaws.com/bojafazes/jasper_report_in_xls_format.pdfIn PDF document text
    • http://madukavinoxonal.epizy.com/languidez_sinnimos_y_antnimos.pdfIn PDF document text
    • https://s3.amazonaws.com/bubeto/adonit_dash_3_android_review.pdfIn PDF document text
    • http://torisesajew.rf.gd/42423215878.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e5f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5F3 5280 bytes
SHA-256: 9ad370951ee9112ed12e63aca7404670f060af1449886bac4c6a340a28d1d1d5
font_01_sfnt_off0000f7cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7CF 1800 bytes
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620
font_02_sfnt_off0001005c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1005C 11484 bytes
SHA-256: c1e54914e5a80616fa58281f7dde9af34d9d6029901a355a2208dc2dffd05623
font_03_sfnt_off000127cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x127CD 16312 bytes
SHA-256: 975089639afea594160f6daa1ae948ffc4125994d61a9fd32dce02580f7b6b15

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