Malicious PDF — malware analysis report

Static analysis result for SHA-256 aeeb7dfe9e01eeea…

MALICIOUS

PDF

80.1 KB Created: 2021-05-29 07:51:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 21aca55b7066b411ca0334b61d43169e SHA-1: 10e33919a97012773c49f538c1f69815cd384d65 SHA-256: aeeb7dfe9e01eeea7df04abfc5eda1f7d2b00f3cf30af0486d8f7e4c1922136f
104 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 presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://nipisod.ru/strik?utm_term=suicide+squad+%25282016%2529+full+movie+watch+online+in+hindi PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4485308/normal_5fe2ec7468582.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4496816/normal_6005eb897a9d0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446635/normal_6066162a53dfc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374986/normal_5fc5eba227282.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369509/normal_605d95f784ee0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446388/normal_60275b5d57caa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4466996/normal_601d3945330cb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415527/normal_601d7bf2df189.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495858/normal_60369119b9e95.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446512/normal_6050cd9ad5e6a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446017/normal_60289480b832f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375509/normal_6032c9924091a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410679/normal_6010b0d4b2b8d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451045/normal_5fdc7a0b207ce.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377388/normal_604d027fe65dc.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/97065f0a-0435-46d6-ae50-72e00bc879af/mixpad_audio_mixer_free_download_full_version.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eeba221a-3047-4c6c-8810-2d13e52f11b2/52768206222.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7af30771-876e-4c8b-aa06-c504c5a378a0/latibelaluw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9282bec7-9359-4d19-b675-425c112faeb9/how_to_redeem_fortnite_code_xbox_one_s.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1bd62fde-41e4-4784-b60a-03fb9b70c1e7/20240368305.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cc584d6c-55f5-4482-9ee3-da94bc2bf7a0/skyrim_se_skyui_not_working_2020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/52ea7984-21a7-407e-8118-5a89415e23d3/skyrim_how_does_load_order_work.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_off0000f7fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7FA 6180 bytes
SHA-256: 2097368a7dd321da46eaa075fd82215cfb56c18ef08b41389e920202f4618662
font_01_sfnt_off00010d0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D0A 11044 bytes
SHA-256: 746854f29b2d0eb2fcdf51f0460832f6820bb671f765589aebdc1d25d599634c

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