Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4270ca7c70a6688…

MALICIOUS

PDF

101.6 KB Created: 2020-11-17 15:02:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 7b2daf9ed7192db8f2667a331afb56f2 SHA-1: e54b0997f7dad3a10e2fe8c87db5c8d478ad28d5 SHA-256: e4270ca7c70a6688e61fe9fdf77d22aee45d8b5de8112cd6be30be18ad8a487b
94 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. Heuristic analysis and ML classification strongly indicate malicious intent. The document body, though partially corrupted, suggests a lure related to IT security, aligning with phishing tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9740

Heuristics 3

  • 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
  • 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/aws?utm_term=auditoria+informatica+vulnerabilidad+de+los+sistemas PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4365555/normal_5f88fbe83fc49.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/9e0f8320-7f2a-4594-bbf9-7d5e7ff14c55/crore_to_million_chart.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/da3e7c22-283f-42fb-b00f-2e00d7963796/free_ringtones_for_t_mobile_phones.pdfIn PDF document text
    • https://s3.amazonaws.com/wupiwupiwot/5855937196.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4352e7a4-d79a-42ca-8aed-81f8658c173f/comac_Chine_c919.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/47469959-5b60-4d72-ad11-d136a9e0c2d9/45859916624.pdfIn PDF document text
    • https://s3.amazonaws.com/henghuili-files/indigenous_materials_in_the_philippines.pdfIn PDF document text
    • https://s3.amazonaws.com/vuxalirudidel/depo_medrol_drug_information_sheet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3d449a1-ef29-4051-abaa-f889b2a6c00b/81317162987.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6eb12b26-61be-4007-ba71-d1090a0fb6b6/pinoy_movie_channel_hd.pdfIn PDF document text
    • https://s3.amazonaws.com/sojuravewi/zillow_homes_for_sale_new_hampshire.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bdbb2700-ef49-42ff-935b-6e1ee4d7833b/xefimid.pdfIn PDF document text
    • https://s3.amazonaws.com/viromibukoleliw/arthritis_research_uk_neck_pain.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00016ac9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16AC9 5356 bytes
SHA-256: 01178f7333ee32a1a9994c0b5eb41380d1b85bb270c9c83eeaa5fc47b51c0cda

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