Malicious PDF — malware analysis report

Static analysis result for SHA-256 a830369229da599b…

MALICIOUS

PDF

60.6 KB Created: 2020-11-14 20:43:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: d445eca322450326327cb4bad72c9519 SHA-1: 977d3cb0c4e5d0d4454aeb2677014355640612e5 SHA-256: a830369229da599b3edd5f5b55ca3a4a552cedbfce363903661e2592890a8fba
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that leads to a phishing-related domain, disguised with a game title. ClamAV and ML classifiers also flagged this PDF as malicious, indicating a high likelihood of phishing or malware distribution. No scripts were extracted, but the presence of the malicious URL is a strong indicator of malicious intent.

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://traffset.ru/strik?utm_term=freeway+fury+2+hacked+unblocked PDF link annotation
    • https://kefanizitadibuz.weebly.com/uploads/1/3/4/3/134328212/japinezidomiden.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387565/normal_5f92811f32013.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383928/normal_5faea8c345193.pdfIn PDF document text
    • https://buwupejobo.weebly.com/uploads/1/3/4/2/134265589/kutazabume.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457006/normal_5fa360227dbf0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378378/normal_5f998abb6a0f0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371498/normal_5f8f9f5e8fa72.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/3c3d6c15-c182-4f02-ab2c-aaa0406b9e37/84645674035.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aee5a0e7-abaa-46d9-8c1a-10f903cd4300/goldstar_microwave_filter.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f68dbc15-984b-417f-b6b3-f779bdc13921/6750875075.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8da75253-cbb7-40f3-b6cf-50f4a6018a7e/16143814618.pdfIn PDF document text
    • https://s3.amazonaws.com/kukazowox/kitarulolo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2d26a2e4-b8a8-4032-af75-c518f551bb66/22697567044.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_off0000b284.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB284 5416 bytes
SHA-256: 7f4ef44a7c673eb37071a18a08797a71255b4846c41db078e68b73e4696db0a4
font_01_sfnt_off0000c50a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC50A 9592 bytes
SHA-256: 3b73a07fc867d81da94fcf8b9a9c3d1696d078022ef5c08dbf7e377453d56d4b