Malicious PDF — malware analysis report

Static analysis result for SHA-256 f81dfdb1533fa0e2…

MALICIOUS

PDF

69.2 KB Created: 2021-03-23 14:28:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: a8468040ed05d0b2319dfd0a2dd66a52 SHA-1: 11ac27f140f2b0331dc213cce0f24cc3db25a4ea SHA-256: f81dfdb1533fa0e2e386540c3f9ac1e937576618e493144c9dc485578b2dc1b2
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=white+christmas+tree+ideas PDF link annotation
    • http://yogist.fun/taloxuraxuixzcp.pdfIn PDF document text
    • http://sozaxesugoj.mywebcommunity.org/cambridge_key_english_test_6.pdfIn PDF document text
    • http://tupaxeguna.scienceontheweb.net/83866498940.pdfIn PDF document text
    • http://napufokotipo.getenjoyment.net/husky_air_compressor_30_gallon.pdfIn PDF document text
    • http://ganutaragifak.22web.org/how_to_increase_background_knowledge.pdfIn PDF document text
    • http://mugurapit.sportsontheweb.net/42745146538.pdfIn PDF document text
    • http://hempmap.ru/suxojujaban3oit.pdfIn PDF document text
    • http://eurostore.info/best_c_programming_online_tutorialz3utr.pdfIn PDF document text
    • http://lapitubemexidi.mywebcommunity.org/gusivefunovizo.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/jofunozuzof/61609572646.pdfIn PDF document text
    • http://vidarepi.epizy.com/ikea_platform_beds_queen_size.pdfIn PDF document text
    • https://s3.amazonaws.com/pusolefosex/advantages_of_being_an_entrepreneur.pdfIn PDF document text
    • http://nuzavaxevarap.epizy.com/rukegiz.pdfIn PDF document text
    • https://s3.amazonaws.com/kewuxejikiwe/missguided_returns_over_14_days.pdfIn PDF document text
    • http://banugigo.epizy.com/android_folder_uri.pdfIn PDF document text
    • https://s3.amazonaws.com/xojafemori/app_world_blackberry_9900_offline.pdfIn PDF document text
    • http://muzozilijef.epizy.com/primavera_p6_17.7_download_with_crack_free_download.pdfIn PDF document text
    • http://jobifizokugo.rf.gd/78546733312.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_off0000d3d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3D0 5160 bytes
SHA-256: 1fb09aa5b48370d7862486b7d3ab34f0e1ab7a9305bf2a01c70ecf9a850e78c3
font_01_sfnt_off0000e537.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE537 10132 bytes
SHA-256: 87a6599fe5ee9e8c037652f9c34e10c23293214e416449cb222e2ffca5f5b240

Open this report in the interactive analyzer, or submit your own file for analysis.