Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbfeadc7096b3ff2…

MALICIOUS

PDF

72.8 KB Created: 2021-03-11 17:03:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: ef74a23efecc29d6df654d54c586da75 SHA-1: 338604cfc8326bf0377602a3fd1a646ba43567cb SHA-256: fbfeadc7096b3ff222268e9fb106202f2907ef5a3d9d28c876774bfffca6c6fc
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 0.9996

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://fokemale.ru/wix?keyword=cancer+growth+animation+worksheet+answer+key PDF link annotation
    • https://cdn.sqhk.co/vuwonesi/jil7Xgi/39180228675.pdfIn PDF document text
    • https://cdn.sqhk.co/niturunajik/RJfIeQ6/73535601288.pdfIn PDF document text
    • http://fodamibokaf.66ghz.com/cbi_officer_south_movie.pdfIn PDF document text
    • https://cdn.sqhk.co/metexemoraga/giiaH4q/fashion_play_barbie_1991.pdfIn PDF document text
    • https://cdn.sqhk.co/gafisasiwu/djjflG1/best_water_wheel_knife_sharpener.pdfIn PDF document text
    • http://nudikegavugo.22web.org/developing_the_leader_within_you_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/juwafajem/hg6cgir/palojulenofixijasepoviwa.pdfIn PDF document text
    • https://cdn.sqhk.co/setawigiz/Whdvjgx/85689191518.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://waxobutadarase.rf.gd/2020_calendar_vector.pdfIn PDF document text
    • https://s3.amazonaws.com/zodererezuzuxi/is_cold_brew_coffee_keto.pdfIn PDF document text
    • https://s3.amazonaws.com/vuraradaso/56688828552.pdfIn PDF document text
    • https://s3.amazonaws.com/nawuvud/dark_sun_boxed_set.pdfIn PDF document text
    • https://s3.amazonaws.com/seriposuj/wedusus.pdfIn PDF document text
    • https://s3.amazonaws.com/bededuxotulapil/dont_look_back_2009_movie_download.pdfIn PDF document text
    • https://s3.amazonaws.com/dotivaf/gibomiwuzijujijigafuwipez.pdfIn PDF document text
    • http://vejebuta.rf.gd/how_to_start_writing_a_nonfiction_book.pdfIn PDF document text
    • http://medezuwojow.rf.gd/biwosipuwovobulonoxexum.pdfIn PDF document text
    • http://nebosudigijo.rf.gd/torch_infections_rcog_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/gavapozalilup/negative_numbers_fun_worksheet_tes.pdfIn PDF document text
    • https://s3.amazonaws.com/piwupevivotixi/apprendre_le_francais_avec_des_images.pdfIn PDF document text
    • http://niruzozokaki.epizy.com/using_examples_distinguish_between_qualitative_and_quantitative_research_methods.pdfIn PDF document text
    • http://xizokokov.epizy.com/vapegane.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_off0000e39f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE39F 5344 bytes
SHA-256: 98fca978a243166df1b102c503647c976a069b1710528cefb823deba6d64570e
font_01_sfnt_off0000f5b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5B2 9296 bytes
SHA-256: b722ff67b70c676ca17688bedd59320fde1da0c2e6695da58ec3ac8ab17d2bf1

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