Malicious PDF — malware analysis report

Static analysis result for SHA-256 d626b0ecfdaa9dac…

MALICIOUS

PDF

70.5 KB Created: 2021-02-01 08:04:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 29ce96b97e2ddea863e806771964bf74 SHA-1: ec0582e20d64712198538aa175e631fe8846b7f3 SHA-256: d626b0ecfdaa9dac06ffb5dd73f878c9fc77e9ec25f7a1cd959b72aad2c50e0e
96 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Motorola bluetooth earpiece instructions' and embeds a URL pointing to a suspicious domain. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site, aligning with spearphishing tactics.

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://druttle.ru/123?utm_term=motorola+bluetooth+earpiece+instructions PDF link annotation
    • https://cdn.sqhk.co/najiligopej/eppUWYB/mcdonalds_breakfast_menu_time_start.pdfIn PDF document text
    • http://xavelodezazil.iblogger.org/2063023202.pdfIn PDF document text
    • https://cdn.sqhk.co/sobupepokor/gjpLhiZ/35223893385.pdfIn PDF document text
    • https://cdn.sqhk.co/tokititagiwe/lohdjde/birigekunawibewiwikowefiw.pdfIn PDF document text
    • https://cdn.sqhk.co/repipedifavi/94SwGs8/klondike_adventures_wikipedia.pdfIn PDF document text
    • https://cdn.sqhk.co/waketeni/rfjgH6Q/gowibafag.pdfIn PDF document text
    • https://cdn.sqhk.co/lobinazema/QOjhHDE/24228790181.pdfIn PDF document text
    • https://cdn.sqhk.co/vumatoxikom/gghfgiC/one_finger_death_punch_2_skills.pdfIn PDF document text
    • http://xonesasa.iblogger.org/butternut_squash_lasagne_sheets_where_to_buy.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/ropuba/upkar_movie_free.pdfIn PDF document text
    • https://s3.amazonaws.com/goviwigax/50069842297.pdfIn PDF document text
    • http://bobujosu.epizy.com/13648533407.pdfIn PDF document text
    • https://s3.amazonaws.com/xutomoxu/transformers_revenge_of_the_fallen_arcee_sisters.pdfIn PDF document text
    • https://s3.amazonaws.com/buponuwebi/android_appcompatactivity_actionbar_icon.pdfIn PDF document text
    • http://supitemev.rf.gd/best_android_phones_under_30000_in_pakistan.pdfIn PDF document text
    • https://s3.amazonaws.com/retisovojor/ragnarok_genetic_mix_cooking_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/zibenoroduzuw/fanunajeborapesulobum.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_off0000d6c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6C0 5168 bytes
SHA-256: 80c67847ca7d019c33883a3c083aa5120c6da301eeffeb0c06b4e02deb8aca55
font_01_sfnt_off0000e848.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE848 10916 bytes
SHA-256: 5a621d5eef73d02d11fe41e56f3bb9d1aa15ec93bc16d1cc1aa902f0fa35a5ce

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