Malicious PDF — malware analysis report

Static analysis result for SHA-256 5be59e8e08612714…

MALICIOUS

PDF

69.2 KB Created: 2021-02-28 06:15:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 956358a8d3bc26786a52d1ad5db2e119 SHA-1: 1180ae4737196923c652171b6624e3c36e896796 SHA-256: 5be59e8e08612714c9d37b261118296d125c5bf135c4fa2e065553bbe480c964
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily garbled, contains text related to a popular media title, suggesting a lure to trick users into clicking the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://kuzutuzo.ru/aws?utm_term=my+friend+dahmer+trailer+sub+espa%25C3%25B1ol
    • http://egosikenclub.com/27464593440kkgw1.pdf
    • http://supariwepexafat.mywebcommunity.org/94573572454.pdf
    • https://cdn.sqhk.co/jagojixego/hjd1jKu/funny_captions_for_selfies_with_best_friend.pdf
    • https://cdn.sqhk.co/nalogigoke/qGhhjiy/pomejeselibiper.pdf
    • http://uber-global.com/30553314028a7yf7.pdf
    • http://kujunat.medianewsonline.com/58203189301.pdf
    • http://esplus.pro/beckman_coulter_access_2_operator_s_guidepp6in.pdf
    • http://italy50wow.pro/what_is_prophecy_foreshadowinghfac6.pdf
    • https://cdn.sqhk.co/pumevigatare/hbuhijd/pet_show_contest_beauty_salon_near_me.pdf
    • http://mirijesuwakug.sportsontheweb.net/dekitalalewowegapatilefup.pdf
    • https://cdn-cms.f-static.net/uploads/4484358/normal_6027f59ecd734.pdf
    • http://nudikegavugo.22web.org/paginas_harry_potter_y_la_camara_secreta.pdf
    • http://mif-smeh.space/42052087190x9wn7.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://lekekavom.epizy.com/potozikemurazire.pdf
    • https://s3.amazonaws.com/ligole/lewajobuvusivaxogitoveza.pdf
    • http://gipebevu.atwebpages.com/que_es_un_dispositivo_de_salida_de_datos.pdf
    • https://s3.amazonaws.com/rakabexozu/magazine_design_template_indesign.pdf
    • http://relogevavikidid.epizy.com/element_tv_customer_support_phone_number.pdf
    • http://duxegejuw.atwebpages.com/clasificacin_de_los_nmeros_reales_ejercicios.pdf
    • https://s3.amazonaws.com/punagilelabon/hypertension_treatment_guidelines_2019.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_off0000ce5d.bin
03da3b575eec3501005023d4bf284fa3298c73fa6b32826a79f524c944099f70
pdf-font-stream PDF embedded font (sfnt) at offset 0xCE5D 5740 bytes
font_01_sfnt_off0000e186.bin
222946d8c0d4c9e5d26eb8e52de0e262c2fb8941d7309a0d9b38313520e25fd1
pdf-font-stream PDF embedded font (sfnt) at offset 0xE186 10688 bytes