Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a2feec711168835…

MALICIOUS

PDF

77.0 KB Created: 2021-04-06 16:13:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a7c8f6ea6286d672a28edc351a487191 SHA-1: 6f83b1cdc413589f26ddfdb2d5f20f2408bd1e41 SHA-256: 6a2feec71116883563a05fdff78d0ba87f8dfdfe0ca33931f3d32d97f6b5aa0f
104 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it contains external URIs and uses invoice/payment lure language. The embedded URL, https://xezojetit.ru/wix?keyword=summoners+war+november+2018+promo+code, suggests a phishing attempt or a lure for a malicious download. No scripts were extracted, but the PDF structure and heuristics strongly indicate a malicious intent to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://xezojetit.ru/wix?keyword=summoners+war+november+2018+promo+code
    • https://sojenumodab.weebly.com/uploads/1/3/5/2/135296615/junitab.pdf
    • http://youralteragoods.com/the_cw_seed_the_secret_circlelj4mg.pdf
    • https://dunogijejuj.weebly.com/uploads/1/3/0/8/130813547/f3b10f1d5ff.pdf
    • http://nibakelenixezas.getenjoyment.net/how_to_use_tasco_game_camera.pdf
    • https://raxagipob.weebly.com/uploads/1/3/4/8/134883443/nujasavanovig-rabimeb.pdf
    • http://sitebomobegux.sportsontheweb.net/foripadovunofozixetarikiv.pdf
    • http://ig-soft-team.com/xijawavuvoxilagopesixokex8flm.pdf
    • http://boketizabujig.scienceontheweb.net/vce_to_converter_app_v3._6._3.pdf
    • http://tersq.fun/tableau_free_download_desktopleyml.pdf
    • http://bcpzon4segurabetaviabcp.com/68280027802gmj7o.pdf
    • http://tadajixilatu.scienceontheweb.net/88856045579.pdf
    • https://kopusitubo.weebly.com/uploads/1/3/4/6/134698796/78ee1d.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/495b71d3-473b-4527-9bf8-ce6fae57f402/iomega_home_media_network_hard_drive_1tb_software.pdf
    • https://uploads.strikinglycdn.com/files/7ebf85f2-7755-4104-8b35-76881de11dfa/vuvokukovenokodufenoximu.pdf
    • https://uploads.strikinglycdn.com/files/212cd00a-04f8-49ad-9891-5510712ada93/30236665901.pdf
    • https://s3.amazonaws.com/supefujoxopubu/nokomaz.pdf
    • https://s3.amazonaws.com/gedexim/battery_saver_uptodown.pdf
    • https://s3.amazonaws.com/vapelurowar/honing_guide_set_up.pdf
    • https://uploads.strikinglycdn.com/files/5f65fa9d-b462-4a1f-b5c2-47e2c1317293/faseradirebaxinapazuleji.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec2f.bin
5a1427423350ec4f1aa4bf000b13b2253ce5e99ec5a3b23e8744cd3e2ebeb55f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEC2F 6104 bytes
font_01_sfnt_off000100e7.bin
d1e2ffe2e68f6d115bf605d6467ad0f8d130b249455bac2c3dc0316bb8c7217c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x100E7 11076 bytes

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