Malicious PDF — malware analysis report

Static analysis result for SHA-256 124294d631c9ae20…

MALICIOUS

PDF

76.2 KB Created: 2021-02-25 01:17:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: c892efba1addd7d3f66a85d15c17c774 SHA-1: 6a4f06bb471403f529f75f4887a9d5ebb9458186 SHA-256: 124294d631c9ae20e6c403dd96bb03501d9771a284648dd0ec18e1906c9a60e8
96 Risk Score

Malware Insights

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

The PDF document contains embedded URLs that lead to suspicious domains, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of external URIs and the overall classification point towards a phishing lure designed to redirect users to malicious content.

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://bologen.ru/strik?utm_term=how+to+keep+your+dog%2527s+joints+healthy PDF link annotation
    • http://myluckybet.xyz/2729029914052til.pdfIn PDF document text
    • http://bigno.space/how_to_set_the_clock_on_a_malibu_low_voltage_transformeri4p61.pdfIn PDF document text
    • http://ygrash.website/melhores_aplicativos_agenda_androidt6rww.pdfIn PDF document text
    • http://gratoram.site/26311559558o29ye.pdfIn PDF document text
    • http://onlineeshop24.xyz/kits_del_juventus_para_dream_league_soccer_2019r4k4b.pdfIn PDF document text
    • http://vijevejumozugim.sportsontheweb.net/mitimaxavenuzosisiba.pdfIn PDF document text
    • http://nogurufegu.mygamesonline.org/thank_you_mr._falker_by_patricia_polacco.pdfIn PDF document text
    • http://lazujifoxupa.getenjoyment.net/33616796468.pdfIn PDF document text
    • http://bagerisevi.scienceontheweb.net/mazanulime.pdfIn PDF document text
    • http://sevezor.scienceontheweb.net/88926116616.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/nitizobuv/89202878040.pdfIn PDF document text
    • https://s3.amazonaws.com/metakibeme/48055323203.pdfIn PDF document text
    • https://s3.amazonaws.com/kosamupim/sacrificial_anode_cathodic_protection.pdfIn PDF document text
    • http://vidugozu.atwebpages.com/30299113718.pdfIn PDF document text
    • https://s3.amazonaws.com/memobofilenabon/xusag.pdfIn PDF document text
    • https://s3.amazonaws.com/jasipefulaxiduj/julius_caesar_act_3_summary_sparknotes.pdfIn PDF document text
    • http://kapirexazi.onlinewebshop.net/how_many_calories_are_in_a_iced_latte_from_dunkin_donuts.pdfIn PDF document text
    • http://kosezofejesuxef.atwebpages.com/kumepumevibivuloxifarad.pdfIn PDF document text
    • https://s3.amazonaws.com/sixenogafopoj/libreoffice_spreadsheet_remove_duplicates.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_off0000eb4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB4B 5548 bytes
SHA-256: 5fffc0ce457f627c8068c963853c7802a6b87543e3c569cfff00d2ea0661ffa2
font_01_sfnt_off0000fe48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE48 10696 bytes
SHA-256: 11f4cee408f1917d0c8d299b012e83898c55f5af703e46d8b6f8bde2791f4d2c

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