Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ff60ecd092a8919…

MALICIOUS

PDF

74.9 KB Created: 2021-02-25 17:44:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: d0efaa80562d8b5de09d9ed1598ac184 SHA-1: 1f809133293d80b44b1cb4af2ab517b0d8385606 SHA-256: 6ff60ecd092a891914f33a4dcc013e4a1e7b535d6ad766fe12fa68fd580e21b2
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to host a malicious payload or phishing content. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to trick users into navigating to a potentially harmful website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/award?keyword=how+to+program+logitech+harmony+520+remote PDF link annotation
    • http://detonic-italia.website/navbar_android_developerrjuio.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481062/normal_5fd73023d6d1e.pdfIn PDF document text
    • http://mscredit.info/8593759391es0j9.pdfIn PDF document text
    • http://powerhdniy.space/92785726282lkqbe.pdfIn PDF document text
    • http://vijevejumozugim.sportsontheweb.net/commonly_confused_words_worksheet_1_answer_key.pdfIn PDF document text
    • http://jawomubinuj.iblogger.org/how_to_reset_subwoofer.pdfIn PDF document text
    • http://bonifacy.site/vuxikidixadorirosutulilucoqzn.pdfIn PDF document text
    • http://lizoguxumugef.mywebcommunity.org/how_do_i_get_my_navy_service_records.pdfIn PDF document text
    • http://jasazotinalol.mygamesonline.org/2000_essential_korean_words.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/tugumeb/information_about_aung_san_suu_kyi.pdfIn PDF document text
    • https://s3.amazonaws.com/wajufifenoxuj/94519429525.pdfIn PDF document text
    • http://jigosip.epizy.com/house_of_spirits_marysville.pdfIn PDF document text
    • https://s3.amazonaws.com/befafuni/british_mosses_and_liverworts_a_field_guide.pdfIn PDF document text
    • http://duxegejuw.atwebpages.com/divera.pdfIn PDF document text
    • https://s3.amazonaws.com/bopuxosavubare/21492863169.pdfIn PDF document text
    • https://s3.amazonaws.com/banula/clubbers_guide_to_ibiza_99_tracklist.pdfIn PDF document text
    • http://dekifovep.epizy.com/gulofasajotekejokage.pdfIn PDF document text
    • https://s3.amazonaws.com/zuxime/11270960781.pdfIn PDF document text
    • http://metuvubom.rf.gd/66353475751.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ea7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA7F 5720 bytes
SHA-256: 392c13f29773b661ac828abfa5d259a4030fb3978594a535e615ee1710ac97e1
font_01_sfnt_off0000fdf0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDF0 10428 bytes
SHA-256: 379bd8184d9ac2a38ccb373dd24a439aba68d62fd876e7c5eb38b64aa67e7a71

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