Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0d773d3c782e438…

MALICIOUS

PDF

106.2 KB Created: 2021-03-16 01:16:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 10d6ea775f57c5fdfec0448cc8d5050d SHA-1: 3a28621153faca6940471ba6eb9c341fea7e8c62 SHA-256: f0d773d3c782e438cc734040e19fb3cc9ff64462df8f8c8f83692d7d067cfabd
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body, though heavily obfuscated, contains keywords related to 'vip codes' and the authoring application, suggesting a lure to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://jumiwimov.ru/wix?keyword=msp+vip+codes+march+2020
    • https://kokujefep.weebly.com/uploads/1/3/1/4/131409677/zepedisadimirone.pdf
    • http://pupofikavize.iblogger.org/94085520938.pdf
    • http://my-favshopf.online/85390618042lxiel.pdf
    • http://lezeninimi.medianewsonline.com/57160214952.pdf
    • http://musumavugas.iblogger.org/carte_du_monde_a4.pdf
    • http://idealica-ufficialeitalia.website/58435402341xtmo6.pdf
    • http://letnesil.xyz/2699928452qqnz3.pdf
    • http://wutopezogegusi.getenjoyment.net/motorola_cp200d_battery_removal.pdf
    • https://dodezugufiz.weebly.com/uploads/1/3/5/3/135331092/ruzoruxudedazelati.pdf
    • http://niwifara.22web.org/99968254541.pdf
    • http://55571.ru/xedovaka7tf1g.pdf
    • https://butegipabozu.weebly.com/uploads/1/3/4/2/134235803/tiwojakivifizugoxulo.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://ac734925-007a-49fa-9a6b-2340142042ec.filesusr.com/ugd/ea78e0_40d0087673c54754be8efec8076f7ec8.pdf?index=true
    • http://vebadivikini.rf.gd/zofejokiwame.pdf
    • http://fojupejededoto.epizy.com/vewuperegefubo.pdf
    • http://zabirozoxut.epizy.com/73027971882.pdf
    • http://lasarogime.rf.gd/douse_verb_form.pdf
    • https://0cc2a7d0-6f33-4335-9ec9-554d9418487e.filesusr.com/ugd/cb4a18_088dbeeb5e3743afaabecfd12a3a7b08.pdf?index=true
    • http://tebaputazaxuva.myartsonline.com/eso_bloodfiend_vampirism.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000138ae.bin
3bc941eb4c47145023daaefdee548bc899de3fc176e88107e159065638af568a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x138AE 5620 bytes
font_01_sfnt_off00014baa.bin
b76b720c5f6fc9199895884f86753679b093c3b02bf426e2536eb66784373e76		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14BAA 3228 bytes
font_02_sfnt_off0001577f.bin
a739e07fbc04fbdbf33c25e28aebfa3451ff3d3beea1ff545c5d1da8323adf76		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1577F 13752 bytes
font_03_sfnt_off000184b7.bin
75bbd65b209dd63d03d218c8a080e02e74e48388e264bced155518a984d3e53f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x184B7 16076 bytes

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