Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2a489d09799a699…

MALICIOUS

PDF

175.0 KB Created: 2021-03-15 22:40:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ca37cb3c019acad1c8ad07ffed2da010 SHA-1: e22b622da9ccf7b05604431e902156b068e23788 SHA-256: d2a489d09799a699c8d238d6e528fc3fff7ea5e22f915f5b6ce6e9666c51cf2b
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of an advance-fee scam. The document body, though heavily obfuscated, contains keywords related to guides and potentially misleading information. The presence of numerous external URLs suggests an attempt to redirect the user to malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://leonvi.ru/wix?keyword=smogon+battle+maison+guide
    • https://cdn.sqhk.co/tosuwukiwate/7n1EjiY/fasexuzu.pdf
    • https://mifurujuxix.weebly.com/uploads/1/3/3/9/133997148/5b2507b2.pdf
    • https://numixugag.weebly.com/uploads/1/3/5/3/135324818/ff32a4536.pdf
    • https://nakagikirowi.weebly.com/uploads/1/3/2/6/132695306/183f4.pdf
    • https://cdn.sqhk.co/bedogipaxog/gXggKeM/piano_man_movie_cast.pdf
    • https://static.s123-cdn-static.com/uploads/4420747/normal_5ffa62be19b79.pdf
    • https://topalezomezo.weebly.com/uploads/1/3/4/3/134305389/8522217.pdf
    • https://vogaxuruxav.weebly.com/uploads/1/3/4/3/134352923/rozejijuvagetawuvo.pdf
    • https://lukadivosegiga.weebly.com/uploads/1/3/4/6/134679105/f9a0b1.pdf
    • https://cdn.sqhk.co/nalogigoke/hgifMrb/rock_music_online_radio_station.pdf
    • https://bilujadaju.weebly.com/uploads/1/3/4/7/134772480/mojowi.pdf
    • https://static.s123-cdn-static.com/uploads/4488592/normal_5fcd7726f1205.pdf
    • https://cdn.sqhk.co/rapowipijes/ijzgh04/learn_to_play_piano_book_download_free.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://7ae52be2-ba3c-41fb-8935-29281088223e.filesusr.com/ugd/affaa6_04f50e0c40044c7da92065e82f212173.pdf?index=true
    • https://b5b764bc-4fc6-48d7-9a4b-423a4d05f225.filesusr.com/ugd/3f2390_b22c23365c0743d789e0d791b0723617.pdf?index=true
    • https://58960a86-a3f4-42d8-866e-ee2cf32068b1.filesusr.com/ugd/1ad962_e23f6a6bc90e423188ab3fe4040f2b95.pdf?index=true
    • https://beea745c-e446-4317-9ad8-fe501d584c0a.filesusr.com/ugd/9196db_76bbab92d84f437b93dbc7fc20ad346c.pdf?index=true
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001f2f5.bin
158b679038dd0fc0287fd737e0044bf44969dcbab018db9f2f84307398b6a696		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1F2F5 42092 bytes
font_01_sfnt_off000272ee.bin
b46d6094b634b8870016fc588009fd60387d4e957136a4fa9c3a4f5ddaea2bdd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x272EE 5292 bytes
font_02_sfnt_off000284d5.bin
fa94e2fa7f5e99fdd06800613fb2c971cbdd05bb05aeb2b973855c5ff3d52931		 pdf-font-stream PDF embedded font (sfnt) at offset 0x284D5 12228 bytes

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