Malicious PDF — malware analysis report

Static analysis result for SHA-256 a949947f8b3caa9d…

MALICIOUS

PDF

82.2 KB Created: 2021-04-08 00:50:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10
MD5: 80afff37cac1100ff03ae5b0ac0cd5da SHA-1: 31974f78aa2d6377214dfc7e149dd7f6d323b14d SHA-256: a949947f8b3caa9d59ff9233dd4ff78462098efd4655e390562702a12c4eaaa2
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that directs the user to a suspicious domain, disguised as search results. This is a common phishing tactic to trick users into visiting malicious websites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://leonvi.ru/wix?keyword=xcom+enemy+within+tips+reddit PDF link annotation
    • http://eslife.pro/anti_terrorism_shooter_hack_gameah9yu.pdfIn PDF document text
    • http://teachost.com/brainstorm_web_template_word4ed9q.pdfIn PDF document text
    • http://vitrinachel.ru/turozopotiwatesazolafisepq1eyq.pdfIn PDF document text
    • http://legalvictory.group/gokexaf7r0qm.pdfIn PDF document text
    • http://ooovseanalizi.ru/troy-bilt_tb30r_repair_manual4cupx.pdfIn PDF document text
    • http://mmmmmme.space/6689248287ka719.pdfIn PDF document text
    • http://operationhomeplate.com/pasurixabotadutaluroj6dkya.pdfIn PDF document text
    • http://probmake12.xyz/adidas_us_to_uk_size_guidemxiur.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mejesikuwuvaxax.rf.gd/antigone_fagles.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxomigo/nowapebovonijikofutol.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/41c9aa56-8b98-415a-a801-9d1d09a81c2c/97562547345.pdfIn PDF document text
    • https://s3.amazonaws.com/towutoginadivu/kwikset_smart_lock_909_reset.pdfIn PDF document text
    • https://cd489911-dc6d-4439-b408-84622343fb93.filesusr.com/ugd/d8e941_2faf9bf30a9d49ff9995a2ad2d5e5ffa.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/vuliwisuwig/89714677554.pdfIn PDF document text
    • http://vorasokipat.rf.gd/descargar_implosion_full_apk_2018_mega.pdfIn PDF document text
    • https://557345b1-98c6-442d-b460-9e357c178e5b.filesusr.com/ugd/dfb5f8_0fde176bbe3446978535f0a501eb268a.pdf?index=trueIn PDF document text
    • https://f2d828cf-06d9-46ea-85af-d88b0bc20d44.filesusr.com/ugd/501a20_3d1eca9dda434b25846fe724a5a70fb3.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/2278aaa1-1c26-457b-9c99-e2b299099222/desigikarenifizorulo.pdfIn PDF document text
    • https://s3.amazonaws.com/wotodedaruzuk/firmenich_international_sa_annual_report_2018.pdfIn PDF document text
    • http://gowatane.rf.gd/fezul.pdfIn PDF document text
    • https://s3.amazonaws.com/satudifin/golds_gym_xrs_50_home_gym_accessories.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e140aeea-4cd6-4bef-9cd1-c98d2699fc6c/iphone_5c_price_in_bangladesh.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001050b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1050B 5240 bytes
SHA-256: 91be00c10efa449951b893ebcad1fe638c7cfaea9e9b17ff24e66ad55999cae8
font_01_sfnt_off000116cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x116CB 10836 bytes
SHA-256: 6a62589fa4bbcd2aac72848bb33f33285595ac65cd4d2253f72b12d45c58c078

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