Malicious PDF — malware analysis report

Static analysis result for SHA-256 327bb8ae7ee16ab9…

MALICIOUS

PDF

75.2 KB Created: 2021-02-19 13:42:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: db71112d0f402efe9291dd15b9f73a40 SHA-1: 592e71077ba7e719748356212de56e8e322518b4 SHA-256: 327bb8ae7ee16ab95ee060265f2d2d68638d60b9da601f6a076ebe7953bd481d
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://leonvi.ru/123?utm_term=what+do+all+the+warning+lights+mean+on+dashboard PDF link annotation
    • https://cdn.sqhk.co/daxerarugak/pgfgjbB/rugoxigi.pdfIn PDF document text
    • https://cdn.sqhk.co/kafevinuva/UbzKKgN/87304710946.pdfIn PDF document text
    • http://xatamekele.iblogger.org/report_gdpr_breach_uk.pdfIn PDF document text
    • https://cdn.sqhk.co/jivazufevi/Lgchmjc/love_letter_for_your_girlfriend_tagalog.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/wovigebi/fruit_candy_blast_game.pdfIn PDF document text
    • https://s3.amazonaws.com/bagisi/breeam_uk_nc_2014_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/rawesaragegugar/games_bike_racing_3d_mod_apk.pdfIn PDF document text
    • http://dinotowiteve.rf.gd/kijim.pdfIn PDF document text
    • http://jiditorugap.epizy.com/92732910250.pdfIn PDF document text
    • https://s3.amazonaws.com/pegozegi/top_10_automobile_companies_in_india.pdfIn PDF document text
    • http://velefaluzi.epizy.com/love_yourself_answer_concept_photoshoot.pdfIn PDF document text
    • https://s3.amazonaws.com/rexogeguxosix/wd_my_cloud_mirror_passwort_ndern.pdfIn PDF document text
    • http://jabaxuzadowepep.rf.gd/zitivenam.pdfIn PDF document text
    • https://s3.amazonaws.com/pulujolatepuv/fresher_android_l_g.pdfIn PDF document text
    • https://s3.amazonaws.com/daselex/bujesi.pdfIn PDF document text
    • http://rejufamux.epizy.com/the_choice_nicholas_sparks.pdfIn PDF document text
    • https://s3.amazonaws.com/jifedefujodu/97092528557.pdfIn PDF document text
    • http://pugamob.rf.gd/medical_fitness_certificate_for_school.pdfIn PDF document text
    • http://kepinud.rf.gd/sipubinizalufepoki.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_off0000e9df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9DF 5484 bytes
SHA-256: 328ff6f67237f4fe684024cf1c1a138606b7ef8969d787f9cb2f993644281733
font_01_sfnt_off0000fc6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC6E 10336 bytes
SHA-256: c1cdfb6915dc8f9077a8cdeb0db78cc9be13025f5456322689fdacb3c028af38

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