Malicious PDF — malware analysis report

Static analysis result for SHA-256 60135d5b1a076494…

MALICIOUS

PDF

101.6 KB Created: 2021-02-09 22:34:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 8c67ec5c8eb9afd3398c08097eded59f SHA-1: f50d4912e5a2acdd6f3f3fae6a5880b379e1f0d8 SHA-256: 60135d5b1a0764946623dafb4cb1e26525c4e691da48a6b253ac8a28f53a4aaa
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file is a PDF document flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'bologen.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to search results or informational content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9224

Heuristics 3

  • 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
  • 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=how+is+your+life+going+yahoo+answers PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4418558/normal_5fe50d64ec28c.pdfIn PDF document text
    • https://cdn.sqhk.co/xobabowiwa/ejihetk/princess_dress_up_dresses_for_sale.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384851/normal_600baa0fdeb8a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366367/normal_5fc63c8ab4b02.pdfIn PDF document text
    • https://cdn.sqhk.co/lenufetimop/W2WB6if/4893523075.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410191/normal_6001d8855975d.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/dazifozixawus/25957797432.pdfIn PDF document text
    • https://s3.amazonaws.com/tevigotu/45041961931.pdfIn PDF document text
    • https://s3.amazonaws.com/xelimewat/printable_address_book_template_excel.pdfIn PDF document text
    • https://s3.amazonaws.com/lemefofutomapox/9008778916.pdfIn PDF document text
    • https://s3.amazonaws.com/napoledunadigo/indian_railway_train_ticket_booking_form.pdfIn PDF document text
    • https://s3.amazonaws.com/wuwabobujasivor/love_shayari_photo_gallery.pdfIn PDF document text
    • https://s3.amazonaws.com/pusolefosex/44929753492.pdfIn PDF document text
    • https://s3.amazonaws.com/zinudipir/4505557145.pdfIn PDF document text
    • https://s3.amazonaws.com/tetenifeme/convert_cfg_into_chomsky_normal_form.pdfIn 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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00014d29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14D29 5184 bytes
SHA-256: 155a91218855aee628581755eb6bbbf75e5c906f0b8295f2de1887ebe6bcaa19
font_01_sfnt_off00015edc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15EDC 11312 bytes
SHA-256: 0420493deb0fb7cf363586636a16e170245e9adf97e6f2cbbff3d79ca4477283
font_02_sfnt_off000185b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x185B5 16060 bytes
SHA-256: 5b0d2701ab39d2f69c66d7d16c60d8db0b323aa0832947137e757b5401d27330

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