Malicious PDF — malware analysis report

Static analysis result for SHA-256 2082a1a378d505c2…

MALICIOUS

PDF

74.4 KB Created: 2021-04-29 19:33:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 23c105596fbff6e41b6516ef9c2870c8 SHA-1: 1073f77e41e5018143c700ee9e8d12c222130014 SHA-256: 2082a1a378d505c20df26f433ce8982ba39a8bcfe380100cf79baebd370501c5
96 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 embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://fokemale.ru/strik?utm_term=can%2527t+find+tv+code+for+sky+remote PDF link annotation
    • http://rankingcoach-apps.com/87715426889qndvd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402478/normal_5fff46e53b7a3.pdfIn PDF document text
    • http://webdefilmizle.com/supply_chain_management_certification_rutgers67efh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410965/normal_600f516af3f4b.pdfIn PDF document text
    • http://begemotiks.space/tutunitufemwy7xg.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421329/normal_604cf4cc85c6c.pdfIn PDF document text
    • http://fredo.run/rulefetuzezifapataxurajeu6jla.pdfIn PDF document text
    • http://meetcabinets.xyz/36486746528movqc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467306/normal_600d41825dd64.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402247/normal_6019792f3642b.pdfIn PDF document text
    • http://copyrighthelpcentral.com/lagekelikabenemokq5.pdfIn PDF document text
    • http://quickpapp.online/what_is_the_power_of_focus6vc7w.pdfIn PDF document text
    • http://fapasevusiledap.mygamesonline.org/gopigebabativalugerum.pdfIn PDF document text
    • http://bigwin-1xbet.fun/9699191529kwfvr.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424026/normal_604ae02a79dc4.pdfIn PDF document text
    • http://womovenum.sportsontheweb.net/listing_presentation_script.pdfIn PDF document text
    • http://antileqphh.site/top_notch_2_answer_keyuj8z1.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/fonibinaraj/miya_bhai_song_dj_pagalworld.pdfIn PDF document text
    • https://s3.amazonaws.com/lixuduwonifa/kibew.pdfIn PDF document text
    • https://s3.amazonaws.com/sevoga/92414783692.pdfIn PDF document text
    • http://gafodix.myartsonline.com/almohadon_de_plumas_cuento.pdfIn PDF document text
    • https://s3.amazonaws.com/zowibatev/heart_beating_song.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_off0000e742.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE742 5300 bytes
SHA-256: 3cf5bafbe572fca5dae3c32a40564cbf32ea7288978c995997e00f5a21fae867
font_01_sfnt_off0000f952.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF952 10068 bytes
SHA-256: 982c2095ad9cdd359c6d25c20667de13bb8f7bc98f19c4e57a8cda9f74fb43af

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