Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ca6055e8e93b6c9…

MALICIOUS

PDF

81.3 KB Created: 2021-03-13 21:34:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 778d92f3e9279e2d9c089a0b729f10a0 SHA-1: bf72fb2dcd5320ae73054c9208fec27bc73b1503 SHA-256: 1ca6055e8e93b6c94a66eb41439ea8871430a383cef61107aabe19e18696ac4f
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. The embedded URL `https://botokaw.ru/123?utm_term=best+hd+bollywood+movies++site+list` suggests a lure to trick users into visiting a potentially malicious website. While no scripts were explicitly extracted, the PDF structure and embedded URI heuristic point towards a phishing or malware distribution attempt.

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://botokaw.ru/123?utm_term=best+hd+bollywood+movies++site+list
    • http://purpless.vip/23773367007di8fl.pdf
    • https://fatajoser.weebly.com/uploads/1/3/4/6/134655124/kipovuduno.pdf
    • http://vinorama.fun/rajumunuxebamipatuw5zt1v.pdf
    • https://tajewarupimef.weebly.com/uploads/1/3/2/6/132681391/pufopafoxap_zomojovug_jagex.pdf
    • http://dimax-matrasy.ru/comma_practice_worksheet_3_answer_keypv9e5.pdf
    • http://cloudplay.xyz/fresh_prince_of_bel_air_lyrics_dave_eastqvfla.pdf
    • http://marudibiwel.iblogger.org/arma_3_mods_isis.pdf
    • http://meetcabinets.xyz/wazukorevubanetusaz65kec.pdf
    • http://wetepuzasuvuroz.22web.org/maytag_washer_dryer_repair_near_me.pdf
    • http://fasafumataluxu.iblogger.org/rca_9_inch_dual_screen_portable_dvd_player_for_car.pdf
    • http://snatural.space/97366340707u0z1u.pdf
    • https://vidokabotofasi.weebly.com/uploads/1/3/4/8/134868814/bewikig.pdf
    • http://dobomasinuraz.iblogger.org/moviesda_malayalam_movie_2018.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/4bf41adf-1b4b-49f2-ad8b-1406b015b472/26339144856.pdf
    • http://govakuvi.epizy.com/jivurexuvovuromerozabu.pdf
    • https://uploads.strikinglycdn.com/files/6acc26eb-677c-4100-94f9-2d043c7b9187/popular_childrens_fairy_tales_list.pdf
    • https://uploads.strikinglycdn.com/files/6f9a5b8d-66e9-4991-925b-dfe76256d00a/digidesign_003_rack_software.pdf
    • http://zomimek.epizy.com/15262236395.pdf
    • https://uploads.strikinglycdn.com/files/6477d790-ce78-42dd-9f3b-4f1ff6d74263/me_before_you_series_book_4.pdf
    • https://uploads.strikinglycdn.com/files/c6904c0c-6ced-44d3-b01f-01126e1e993b/wusiwojena.pdf
    • http://zonizuziguzapi.rf.gd/cara_nak_lagu_free_untuk_iphone.pdf
    • http://lefivox.epizy.com/unreal_engine_blueprint.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ff9c.bin
503807dab622bc24a8c66e455ba201a55ca051008b9202559d24a35081ade3b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFF9C 5200 bytes
font_01_sfnt_off00011145.bin
d84085cae0049bd202c75e242c4a0dde2ae7ae0f2ad3d10eb994693d603e57b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11145 11288 bytes

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