Malicious PDF — malware analysis report

Static analysis result for SHA-256 683daa47fed8dd46…

MALICIOUS

PDF

79.0 KB Created: 2021-02-17 06:54:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12
MD5: 89c3b48968c091c7ebe3298ad1c7ad55 SHA-1: 93c039118c665c2cc630ab9117f19655d9eb1734 SHA-256: 683daa47fed8dd460b1736920de538656dd2a71afc096ad62884b7c1c058f3fa
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. ClamAV detection and ML classification strongly indicate malicious intent, classifying it as a phishing trojan. The document body, though heavily obfuscated, contains text related to 'power air fryer elite', suggesting a lure to entice users to click the malicious link.

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://jottigo.ru/strik?utm_term=how+to+work+power+air+fryer+elite PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4499972/normal_5ff3177b708a8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383579/normal_600de0c506b3b.pdfIn PDF document text
    • http://natbeach.space/53014295764yxlfr.pdfIn PDF document text
    • http://gufutaca5.xyz/cdf_vs_weibullgqfmp.pdfIn PDF document text
    • http://kulibakux.iblogger.org/atan2_c_performance.pdfIn PDF document text
    • http://degitowexara.iblogger.org/boucles_violettes_script.pdfIn PDF document text
    • http://justiciaforjustice.com/sabamh4rlc.pdfIn PDF document text
    • http://devgame.design/atomic_physics_igcse_notest327f.pdfIn PDF document text
    • http://ses-paypal.com/golodeziniwodumajle0x2.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kinugokapa.rf.gd/real_car_driving_game_apkpure.pdfIn PDF document text
    • https://s3.amazonaws.com/wujafivabipo/67837185404.pdfIn PDF document text
    • https://s3.amazonaws.com/rimejiguvif/colour_blindness_test_with_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/juzowilipi/75528226905.pdfIn PDF document text
    • https://s3.amazonaws.com/dazemi/xosojesejimipoxozaroj.pdfIn PDF document text
    • http://falalovoxiwada.epizy.com/dutujuwovewewijemo.pdfIn PDF document text
    • http://puzexexaniledow.epizy.com/merizon.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dd16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD16 4936 bytes
SHA-256: d4b78d6d08fa9633748b9a7b9eab95e2025d8fd00402a8a9871f223963d8f6a6
font_01_sfnt_off0000ee0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE0D 10892 bytes
SHA-256: 20ae04b5ca233b021f91d1b00212ec6f47d9f7334bc8d62cf0ff0606ab2cdea9
font_02_sfnt_off000112ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x112AD 17964 bytes
SHA-256: dd070b0e9ef3e7e1aad6912c5086acbb1f0ae5cd0df530d941b554ab786b728f

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