Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8f6effa8e0c533d…

MALICIOUS

PDF

65.4 KB Created: 2021-02-17 08:04:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 806a68babdc31babb0020c001cbdd18b SHA-1: 7230fda66252ebb6c0adfa870ea04ca2de0cf461 SHA-256: a8f6effa8e0c533dd1cf0a660b9ca2da6ef4db8da1866a85b0d6772fff2c4ecb
96 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it is malicious and a phishing attempt. It embeds a URL that masquerades as a product manual, likely to trick the user into clicking it. The ClamAV detection and ML classifier strongly suggest malicious intent, consistent with a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://maypoin.ru/wix?keyword=honeywell+f300e1019+electronic+air+cleaner+manual PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4493578/normal_5fc60775d2bdc.pdfIn PDF document text
    • http://gloslides.com/nike_self_lacingcz962.pdfIn PDF document text
    • http://vidclips.design/mapa_de_carreteras_de_mexico_202013rin.pdfIn PDF document text
    • http://lnstagramcopyrighthelps.com/c_v_teachers_full_formecytn.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4427274/normal_5fcdea8bbe176.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4500668/normal_5fefebe4eca3d.pdfIn PDF document text
    • https://cdn.sqhk.co/nozujeraguje/ihhjrPC/60062718223.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426549/normal_602101d47c185.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4503279/normal_5fd7961cbaebe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392664/normal_600a834adb806.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/fowikorejodi/nidefupim.pdfIn PDF document text
    • https://s3.amazonaws.com/bomupi/org._apache._spark._streaming._kafka_jar.pdfIn PDF document text
    • https://s3.amazonaws.com/sajatesawodiji/algebraic_identities_worksheet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/pegebunov/22568082365.pdfIn PDF document text
    • https://s3.amazonaws.com/ritoma/bhaijaan_bengali_movie_hd_video.pdfIn PDF document text
    • https://s3.amazonaws.com/wegemebufojafak/29873717911.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_off0000c336.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC336 5520 bytes
SHA-256: 12f1ded6450d92cd620a11dee7a071c09c3ca435a251fd52cb24e974248f45cb
font_01_sfnt_off0000d607.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD607 10068 bytes
SHA-256: e1323792dee47d487a46deeb708fe37fe4c3b5a8e08cd822637074211bc4e433

Open this report in the interactive analyzer, or submit your own file for analysis.