Malicious PDF — malware analysis report

Static analysis result for SHA-256 e63cd86f32893d27…

MALICIOUS

PDF

73.7 KB Created: 2021-02-17 17:56:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a6fd47f7315644260a5b367d3193a20c SHA-1: d45144177d4343a0131fcc53efd38eeace7535f9 SHA-256: e63cd86f32893d274d12cf1b72b2f9cbd291ea6f50775c569b5b95f30410efe2
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains an embedded URI pointing to a URL that mimics a search result for 'Oxygen advantage exercises pdf', suggesting a phishing or social engineering lure. While no scripts were explicitly extracted, the presence of embedded URIs and the ML classification indicate a malicious intent, likely to deliver a further payload or phish for information.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://druttle.ru/wix?keyword=oxygen+advantage+exercises+pdf
    • https://static.s123-cdn-static.com/uploads/4374682/normal_6000f1a26b4f8.pdf
    • https://static.s123-cdn-static.com/uploads/4424630/normal_6005cb3d91662.pdf
    • http://nicepics.xyz/talorerefadcz2zv.pdf
    • http://hotloveme.online/depression_testtabzf.pdf
    • https://cdn-cms.f-static.net/uploads/4391611/normal_60257f63a338a.pdf
    • https://gozerezujokosas.weebly.com/uploads/1/3/4/8/134856803/8262049.pdf
    • https://cdn-cms.f-static.net/uploads/4369909/normal_5fd9366c1e040.pdf
    • http://domensita.fun/joint_venture_agreement_south_africar9f1k.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://miwufojo.epizy.com/18652558118.pdf
    • http://bupozefi.epizy.com/8055755413.pdf
    • http://diwigivexuvobe.epizy.com/bazaar_1982_movie_song.pdf
    • http://beduxuluwuniva.rf.gd/anemia_del_prematuro_2018.pdf
    • https://s3.amazonaws.com/nolarifaforuxop/56398630879.pdf
    • http://xoxobesoxiti.epizy.com/ancient_greece_economy.pdf
    • http://buxidolobiw.epizy.com/ravenfield_build_17_free.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e430.bin
58c290cb0cfe5bdd4ada1a5c67a07341f8402c34b6d7a1d4a0e6996a4c027a44		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE430 5548 bytes
font_01_sfnt_off0000f73b.bin
2fff9708b017f9494ef272080650c1b23aea705110a485289d314f83400427df		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF73B 10240 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.