Malicious PDF — malware analysis report

Static analysis result for SHA-256 06c529b7007d8074…

MALICIOUS

PDF

133.4 KB Created: 2021-04-20 03:13:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10
MD5: 5fa821eb33f75ec6bb7842f02a7676c9 SHA-1: 46b4d193bc1cfac27b2d3929fa7f5d058054e2c1 SHA-256: 06c529b7007d807462c1e4a496a64002f24d6eb014d8642ed67029d2a94d9577
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. An external URI was found embedded within the document's metadata and body, pointing to a suspicious domain. This suggests the document is designed to trick users into visiting a malicious website, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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/strik?utm_term=just+mercy+book+review+common+sense+media PDF link annotation
    • https://cdn.sqhk.co/rorezina/geidgij/nelovanitiwozufex.pdfIn PDF document text
    • http://fijixedi.22web.org/two_digit_multiplication_worksheets_3rd_grade.pdfIn PDF document text
    • http://jonavaruxeri.22web.org/steelhead_fishing_in_erie_pa_report.pdfIn PDF document text
    • https://cdn.sqhk.co/lagolipumepi/Dgj9jf9/hellrider_3_apk_rexdl.pdfIn PDF document text
    • http://creditreportusa.info/principles_and_applications_of_electrical_engineering_g._rizzoni_6th_edbe02e.pdfIn PDF document text
    • http://lishop.site/476156538210h55m.pdfIn PDF document text
    • https://cdn.sqhk.co/nemisova/ico4gc8/37409996685.pdfIn PDF document text
    • http://musc-media.xyz/troy_bilt_pony_riding_lawn_mower_troubleshootingtfs2p.pdfIn PDF document text
    • http://afracheat7.xyz/fejovilurupy7sjp.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/mexavofezoxi/about_us_page_website_template.pdfIn PDF document text
    • http://xerifuxedu.rf.gd/wanapebal.pdfIn PDF document text
    • http://nozovov.rf.gd/58764943841.pdfIn PDF document text
    • https://s3.amazonaws.com/metakibeme/36846028195.pdfIn PDF document text
    • https://s3.amazonaws.com/lonozote/aadhaar_card_password_protected.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c77ccae5-fda6-44bf-a261-f131b3b6746e/how_to_work_a_magnavox_universal_remote.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5ed0075d-b478-48a9-b481-cf559bbbdb92/sig_sauer_sp2022_9mm_luger.pdfIn PDF document text
    • https://s3.amazonaws.com/lazolu/lic_jeevan_shanti_circular.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3ef4a023-bb79-4673-b84f-8cab43498f14/nada_blue_book_for_used_cars.pdfIn PDF document text
    • https://s3.amazonaws.com/kovozenamofox/gunurubosapalabam.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/95ace9fc-053b-4ca7-bb80-6e43b47391c3/dojizexitipaveturobevavub.pdfIn PDF document text
    • http://jagogapibibolin.epizy.com/sewafomejowa.pdfIn PDF document text
    • https://s3.amazonaws.com/dukajevo/astral_projection_guided_hypnosis.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001b8d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B8D3 5500 bytes
SHA-256: b87545a4b75ab8e10a8054460fcf5d7ee83f851e1d1b949a8fd1938337bf90d2
font_01_sfnt_off0001cb8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1CB8E 11676 bytes
SHA-256: 99d765f6176b559b0a453cfee1d5b40f312c7ebc1d1124b012b9e20e5a348e8e
font_02_sfnt_off0001f2a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1F2A9 16060 bytes
SHA-256: 4c0a3f0893f5e69c6acf0c6b7f036872587aec6188c41bdd40a009ab43c82216

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