Malicious PDF — malware analysis report

Static analysis result for SHA-256 5535f5405a5d90dd…

MALICIOUS

PDF

74.1 KB Created: 2021-02-22 05:09:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: febbbb184c83b2553894e0f230904e65 SHA-1: 8d4f82a2a4e706d0c2f7180f71cf1e7657731e1c SHA-256: 5535f5405a5d90ddd66e885a743178387d65c039214c28475e17a247fa5279ee
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 0.9998

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://jottigo.ru/strik?utm_term=the+entertainer+personality+traits PDF link annotation
    • http://genoray.pro/sympathy_flower_card_templatezofek.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379498/normal_5fd0bbce6dcae.pdfIn PDF document text
    • http://trells.space/menolusobafixupugwkfz.pdfIn PDF document text
    • http://mon-cmbretagne.com/33014828162bd9im.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4493579/normal_601b7ae8cb186.pdfIn PDF document text
    • http://ital-girl.space/rivajojurajipunamuw1x9j.pdfIn PDF document text
    • http://verenica.net/femofue39ss.pdfIn PDF document text
    • http://mazafaka69pussy.online/fundido_meaning_spanishvbb2y.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374956/normal_60273f8dcc1e6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405660/normal_5febf93c5177e.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/vufupu/73579826680.pdfIn PDF document text
    • https://s3.amazonaws.com/fajeloninesitel/how_to_fix_samsung_freezer_drawer.pdfIn PDF document text
    • https://s3.amazonaws.com/musokejixami/wawirawavuba.pdfIn PDF document text
    • http://ditufadupogeju.epizy.com/xutagiwujepipujovu.pdfIn PDF document text
    • https://s3.amazonaws.com/fizaxo/pradhan_mantri_awas_yojana_application_form_assam.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxomigo/beat_maker_go_pro_apk_revdl.pdfIn PDF document text
    • https://s3.amazonaws.com/vasofirida/love_calculator_app.pdfIn PDF document text
    • https://s3.amazonaws.com/gogunabones/free_calendar_template_monthly_2018.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_off0000e61b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE61B 4956 bytes
SHA-256: 23ba12eaecdb805694d5bffe13694cbba950244c82166b334f14d50e05012cce
font_01_sfnt_off0000f6f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6F6 10700 bytes
SHA-256: 30735c5645a9a08da0d3402483391187d5a589cefbc91dc6f99e38d9a17c9946