Malicious PDF — malware analysis report

Static analysis result for SHA-256 a78f09b98b8fe398…

MALICIOUS

PDF

232.7 KB Created: 2021-03-18 09:01:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: b07b26627854153ead92786913b6d6b3 SHA-1: 9cf4685a7226285f0185f387462d27b84abfc3d7 SHA-256: a78f09b98b8fe398fbea117afb2c296e3be3d5a5306ad0af36359bc6f1127b15
96 Risk Score

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 0.9874

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://dugedepap.ru/wix?keyword=palo+alto+configuration+guide+cli PDF link annotation
    • https://cdn.sqhk.co/nasanoroge/9wxBJ3s/assassin_s_creed_identity_offline_apk_for_android.pdfIn PDF document text
    • https://cdn.sqhk.co/xonepogafix/Ajjhcij/beholder_2_lite_walkthrough.pdfIn PDF document text
    • https://cdn.sqhk.co/rivotoxupow/eijgjha/elixir_electric_guitar_strings_amazon.pdfIn PDF document text
    • http://vuxokiwi.22web.org/zovemi.pdfIn PDF document text
    • https://cdn.sqhk.co/sevijeruba/a36hhia/25570243823.pdfIn PDF document text
    • https://cdn.sqhk.co/nemalerute/6jhghaV/detention_centers_at_the_border.pdfIn PDF document text
    • http://vimebadu.22web.org/blest_machine.pdfIn PDF document text
    • http://dasegirovitomen.22web.org/is_getting_a_w_on_your_transcript_bad.pdfIn PDF document text
    • https://cdn.sqhk.co/feguzuvubut/jbRhfgd/gagevoluki.pdfIn PDF document text
    • http://betegozoneseje.iblogger.org/labeled_map_of_africa.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/jebokizez/57097531383.pdfIn PDF document text
    • http://tabikobi.epizy.com/jadiwagusuwadagawe.pdfIn PDF document text
    • https://s3.amazonaws.com/nademopor/pimipatoremegu.pdfIn PDF document text
    • https://s3.amazonaws.com/bizamesuwepe/2086662709.pdfIn PDF document text
    • http://detekoxinusogux.epizy.com/dutunodalumufotu.pdfIn PDF document text
    • http://jotowit.rf.gd/stormbreaker_template.pdfIn PDF document text
    • https://s3.amazonaws.com/jinotugiwomo/dyson_dc18_repair_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/tiduro/mibavogufosudufax.pdfIn PDF document text
    • https://s3.amazonaws.com/lizuseguwix/hp_pavilion_dv6000_special_edition_specs.pdfIn PDF document text
    • https://s3.amazonaws.com/resixexi/55729468504.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_off00035d04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35D04 5012 bytes
SHA-256: 628c4035949d7212c336ee083387cf25b3eed1cf9a0d0649c422b344e347e0f3
font_01_sfnt_off00036e20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36E20 10776 bytes
SHA-256: fbc60173cb028039954897017c49eea708e18b752fdbf9c5a066a5799aa1db8f

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