Malicious PDF — malware analysis report

Static analysis result for SHA-256 19adc453aa231216…

MALICIOUS

PDF

75.9 KB Created: 2021-02-10 17:35:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: e076baf441b269c8e23f1fec9cb3f120 SHA-1: a228173f56f6778638fb3bce613d4a94bb83ec85 SHA-256: 19adc453aa2312167602743b6e5eda150838ece5d7efee28d8a27e1c082d0221
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://baarspo.ru/123?utm_term=how+to+crack+game+maker+studio+2 PDF link annotation
    • http://gazzsheff.xyz/4g_lte_android_phones_in_nigeriazycfy.pdfIn PDF document text
    • http://reform-st.ru/the_sims_freeplay_apk_mod_obbv87h9.pdfIn PDF document text
    • http://tublitalia.space/24045860334dozv1.pdfIn PDF document text
    • http://kaxidabifibag.iblogger.org/2567755392.pdfIn PDF document text
    • http://doorstepcomputers.com/la_banalidad_del_malhpt7z.pdfIn PDF document text
    • http://givepamodugag.22web.org/zivejaridisowopubawixik.pdfIn PDF document text
    • http://xevalarebufop.22web.org/zasabavi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tumuxisirawev.rf.gd/sojuriw.pdfIn PDF document text
    • http://namutogenasokab.epizy.com/5th_grade_spelling_words_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/tupofelasujewas/check_simlock_android.pdfIn PDF document text
    • https://s3.amazonaws.com/mukut/sudoku_medium_with_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/xukonakefules/kapapejo.pdfIn PDF document text
    • http://kunivoji.epizy.com/zugosopon.pdfIn PDF document text
    • http://jodonurinifos.epizy.com/bowers_and_wilkins_zeppelin_repair_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/gomakobez/xoxisigewonep.pdfIn PDF document text
    • http://davojuke.epizy.com/zerekizarexiber.pdfIn PDF document text
    • http://sibijexobesu.epizy.com/80442933700.pdfIn PDF document text
    • http://pevudavef.rf.gd/barfi_songs_pk.pdfIn PDF document text
    • https://s3.amazonaws.com/waxegatulo/how_it_going_best_answer.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_off0000ea1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA1B 5476 bytes
SHA-256: 0e3b1919028b7d945455ade9c9c197ba7e433481cec07024fd79a6fe7d31b77a
font_01_sfnt_off0000fcb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCB5 10976 bytes
SHA-256: cd28656a148bf7d736b64ad09f91b3f9757cb5b0a08692820f796edda8d339a0

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