Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7dae2cde7fae438…

MALICIOUS

PDF

65.9 KB Created: 2020-11-17 04:44:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-20
MD5: 06860320252576c088e96e5b736348cf SHA-1: f5fff3a7f9389956b40b8db9f4cc2256af08455d SHA-256: d7dae2cde7fae438f42f7ca2817a776345adfabf9747ef1159f77713031ac3ab
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URL pointing to a suspicious domain, identified by heuristics as a potential phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate maliciousness. The document body, though heavily obfuscated, contains text related to 'potty racers 2 hacked unblocked', suggesting a lure to trick users into visiting the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://traffnew.ru/123?utm_term=potty+racers+2+hacked+unblocked PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4377095/normal_5f89f7b52be3e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488558/normal_5fa9151dc249c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/9eec0085-e136-43b5-9e2b-7269142d4a87/ximejurebapojigedad.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/28d935e2-c30f-4f5c-8e76-352db3cddc6f/42977927857.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2c50fc65-2f8c-4fc3-a63b-317ade08ca42/9852634159.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/556cb54b-6435-4893-8f09-bda693681587/551-666-4992__-5107.pdfIn PDF document text
    • https://s3.amazonaws.com/tipikaxe/nivenabonivoneru.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c65beda1-6284-4395-b96b-b4953a0e4c35/59046258253.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/29d5f8f3-b1d7-4485-96bb-b821f061171d/codingbat_answers_string_2_python.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f5109d09-1ca6-4202-956f-f52e5457172b/viscosidad_del_etanol.pdfIn PDF document text
    • https://s3.amazonaws.com/potevip/basic_computer_engineering_mcq.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fc89166d-b82b-4091-b38d-ba11c5f8a88c/split_full_movie_online_free_123movies.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/98ee6082-2b9d-42b9-9f84-596ac9e603c3/grol_study_guide.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000afc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAFC1 5300 bytes
SHA-256: da401347bdf6fc82d5eddedcd09e18896d252f50b79a7e438ef7ff0cc49dac2d
font_01_sfnt_off0000c1b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC1B3 12872 bytes
SHA-256: d75edd3d3c5341467cc1b001788689812b516f726b13789d2d1bbbdd74c6a939
font_02_sfnt_off0000eacd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEACD 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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