Malicious PDF — malware analysis report

Static analysis result for SHA-256 44239ae0052d10a9…

MALICIOUS

PDF

78.8 KB Created: 2021-04-06 03:47:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 04cba0b719d932645e51f77a1cef68bc SHA-1: 26df22e687725de63515fb23a26a1870ecb23b79 SHA-256: 44239ae0052d10a9ec344f585bdae9d1b5f070fa920789d8e09322cc1379d7ba
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of threat. It contains embedded URLs pointing to suspicious domains, suggesting it's used to redirect users to phishing or malware distribution sites. The document body, though heavily corrupted, contains keywords related to rituals, likely a lure to entice users to click the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://dafemum.ru/wix?keyword=ritual+diviner+ritual+of+binding
    • https://femesavez.weebly.com/uploads/1/3/1/3/131383434/vipizusolatiwop_xofoxijetixo.pdf
    • https://cdn-cms.f-static.net/uploads/4385614/normal_6025e3a978f7c.pdf
    • https://cdn-cms.f-static.net/uploads/4478131/normal_5fd97400402e8.pdf
    • http://gebikomuxe.getenjoyment.net/dopizufozitamamemikesos.pdf
    • https://bumobuzeki.weebly.com/uploads/1/3/4/4/134477779/d9f529dd2faee.pdf
    • https://bezubimuxidisa.weebly.com/uploads/1/3/1/4/131453869/tigefisa.pdf
    • https://cdn-cms.f-static.net/uploads/4365580/normal_60697e554fffa.pdf
    • https://static.s123-cdn-static.com/uploads/4392658/normal_5ff984c755ca9.pdf
    • http://xerujupuje.sportsontheweb.net/43691913430.pdf
    • https://static.s123-cdn-static.com/uploads/4402520/normal_5fde58c1a0741.pdf
    • https://cdn-cms.f-static.net/uploads/4366964/normal_6063868d6e790.pdf
    • https://medivurufif.weebly.com/uploads/1/3/1/4/131407406/jekut-mikebuse-gadil.pdf
    • https://cdn-cms.f-static.net/uploads/4379476/normal_6057c022c3ec1.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://d8acad56-eb9a-42d1-a06c-a695c5b02328.filesusr.com/ugd/0ad6c7_6601ee76b03549fd80b9d619037cee08.pdf?index=true
    • https://uploads.strikinglycdn.com/files/508d9c16-3b93-40b8-984a-94878cb09037/13294329650.pdf
    • https://c207dc97-0cc9-441e-8caf-a702c1639d46.filesusr.com/ugd/36abe8_1ec8296b8d1f4e46859c4a3a8f419f71.pdf?index=true
    • https://528f6e5c-6927-42ef-b7a5-a8f9c349750c.filesusr.com/ugd/07b979_6abf40f366a84bffa39a950b05670ebe.pdf?index=true
    • https://73a1781f-5c9f-4c76-8a11-a8e8c44f336a.filesusr.com/ugd/d9f7b5_ffb12c64d6ee4b53b2137c669d5a1f9c.pdf?index=true
    • https://e691ad07-92dc-45fa-af10-8929b4045ede.filesusr.com/ugd/87b9a8_46da862fff74428aa486a09941df4d4f.pdf?index=true
    • https://uploads.strikinglycdn.com/files/19959e18-bb86-4b1a-b132-ada758f292a2/selres_navy_advancement_results_2020.pdf
    • https://uploads.strikinglycdn.com/files/d5239be4-8123-44aa-b450-46d0578bffba/going_somewhere_andrew_marino.pdf
    • https://uploads.strikinglycdn.com/files/f2487454-0e44-41d5-8a98-7130b0e9e40d/pirame.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e3ff.bin
493408fd711cc03371be769d73cc40987c734e9de3752ca622f541c47d6d9b56		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE3FF 5104 bytes
font_01_sfnt_off0000f57d.bin
133fc6711eaeb5c7df3ea08f0e2612d731156ad07fd5cb712850fbb60c3dfd89		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF57D 10468 bytes
font_02_sfnt_off00011917.bin
322960140e8024396b5b1c4c028d7a62aefee8ec5a9420328982b465283c0a07		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11917 16036 bytes

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