Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e4e385fab6686fc…

MALICIOUS

PDF

77.5 KB Created: 2021-03-22 11:35:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 37fdd45f27c83e5f32d3165d7b3cc6c3 SHA-1: df71ee0b515e25025f2b4199bf14a36f43275635 SHA-256: 0e4e385fab6686fc88aa819358b563649d078c5c1d6a8b386abd4ac6f62b24c9
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 0.9993

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://mezovuduw.ru/aws?utm_term=annabel+lee+edgar+allan+poe+pdf PDF link annotation
    • http://jujovobima.getenjoyment.net/68078698163.pdfIn PDF document text
    • http://jetolad.iblogger.org/avid_media_composer_windows_10.pdfIn PDF document text
    • http://masuxolujetub.22web.org/unseen_comprehension_worksheets_for_grade_6.pdfIn PDF document text
    • http://ruxuzosok.mywebcommunity.org/convenios_internacionales_sobre_el_medio_ambiente.pdfIn PDF document text
    • http://gojavodevagajuw.mygamesonline.org/nisuvitunedorolezif.pdfIn PDF document text
    • http://xitabijasava.getenjoyment.net/21554593464.pdfIn PDF document text
    • http://rivuxini.66ghz.com/70445354614.pdfIn PDF document text
    • http://vivujivavo.iblogger.org/64032043708.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bobatinufej.rf.gd/padimilewapakonu.pdfIn PDF document text
    • https://s3.amazonaws.com/bitajemisajoz/adding_prefix_dis_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/tugabijenovili/suzovub.pdfIn PDF document text
    • https://s3.amazonaws.com/vazisi/jarajuzukazud.pdfIn PDF document text
    • http://vumuvewegoseme.epizy.com/war_and_peace_movie_2007_cast.pdfIn PDF document text
    • http://fufawadir.epizy.com/31244265995.pdfIn PDF document text
    • https://s3.amazonaws.com/xubifupi/girabaxejuwomatixemobi.pdfIn PDF document text
    • https://s3.amazonaws.com/dotivaf/ditezemutujijozawi.pdfIn PDF document text
    • http://zawemitop.epizy.com/88257349055.pdfIn PDF document text
    • http://waxefikerulun.epizy.com/51871763459.pdfIn PDF document text
    • http://xuziruwunev.rf.gd/cuales_son_los_principios_de_asepsia_y_antisepsia.pdfIn PDF document text
    • http://meriwejun.rf.gd/13872416659.pdfIn PDF document text
    • http://wizunanaxenuxi.rf.gd/potana_bhagavatam.pdfIn PDF document text
    • https://s3.amazonaws.com/wazagidonux/speech_punctuation_worksheet_year_6.pdfIn PDF document text
    • http://mowoled.epizy.com/first_alert_carbon_monoxide_detector_red_light_blinking.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f25e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF25E 5160 bytes
SHA-256: 8c143a3efac3e72eefad75766457cae8ab425822c7b9bae757f5801c7c2e97c9
font_01_sfnt_off000103f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103F7 10864 bytes
SHA-256: 7911cddcdd0ae6dae8618bbf1c591220c92476f4bd0bed034ae2ab747448de03

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