Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e0f0a9ac2b4b29c…

MALICIOUS

PDF

72.6 KB Created: 2020-11-14 11:30:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: ab8a896e6a54fcb991b77914a1d0c5a2 SHA-1: d9059d8573216fa2370bfe62a0ed38fb65de9c4d SHA-256: 2e0f0a9ac2b4b29c6d43da9a3d1671cdfd91ea8cc11f46efa2d91fde699196a5
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://traffnew.ru/123?utm_term=how+to+cook+deer+sausage+on+stove+top PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4379236/normal_5f96d2016ba60.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372376/normal_5f9f739452f3c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382003/normal_5f8d6223d328e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420905/normal_5fa0121fb050a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481154/normal_5fad11a720070.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380531/normal_5f913c9ae5e61.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377408/normal_5f92fa77cc69f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4463559/normal_5fa68690ce2bf.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://s3.amazonaws.com/divexikav/kim_kardashian_game_apk_unlimited_everything.pdfIn PDF document text
    • https://s3.amazonaws.com/leguvefu/vinabeminijajazobo.pdfIn PDF document text
    • https://s3.amazonaws.com/kawotexulozax/49460261958.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c816e58c-b7a0-4d4d-b2a4-64fec08c68b1/68421689853.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d72f6ea1-a630-4057-be9c-a50053dfcad9/kodomorujirilux.pdfIn PDF document text
    • https://s3.amazonaws.com/toliwudalamem/magic_bullet_parts_mb1001.pdfIn PDF document text
    • https://s3.amazonaws.com/leributafa/tefuxe.pdfIn PDF document text
    • https://s3.amazonaws.com/damevusom/promark_p70_vr_drone_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/mexavofezoxi/axis_direct_demo.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_off0000d162.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD162 5220 bytes
SHA-256: 71a66b3d26a6444bcbca4c00bff96b0a45ae9a4bd9bc39c156b7790a7e54f154
font_01_sfnt_off0000e33e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE33E 10412 bytes
SHA-256: 797d2f92bb1da2e4f4194edd69a5592ff6d9e7415a48dacc3c6b757db6ee9b95
font_02_sfnt_off000106af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106AF 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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