Malicious PDF — malware analysis report

Static analysis result for SHA-256 32c5250c77ed6748…

MALICIOUS

PDF

80.6 KB Created: 2021-03-09 21:13:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10
MD5: cc0e0824b556f42943d855210a72dde8 SHA-1: 46e63eca8c785cfde1d9ce2ccdf51f4017d12a56 SHA-256: 32c5250c77ed6748cafc3f65d51af09509ccf6077ff0e95096ecc4486c50df4a
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a website offering a free download of Internet Explorer. This is a common phishing tactic to trick users into visiting a malicious site. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://lozipotod.ru/123?utm_term=internet+explorer+free++version+8 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4470552/normal_600d248a7ccd2.pdfIn PDF document text
    • https://cdn.sqhk.co/kidurukazag/bdBiigc/28195950159.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446272/normal_6009a05de6b8d.pdfIn PDF document text
    • http://kafalukuwemi.mygamesonline.org/garmin_vivofit_4_battery_issues.pdfIn PDF document text
    • https://cdn.sqhk.co/zezegawutogu/d6hjiij/kikubisiritikokisobeli.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421940/normal_5fdd13e0d5a2b.pdfIn PDF document text
    • https://cdn.sqhk.co/nuvexajamu/hfjhCdY/market_garden_1944_map.pdfIn PDF document text
    • https://cdn.sqhk.co/gasupewu/hgjahgO/receita_de_glace_para_bolo_com_gordura_hidrogenada.pdfIn PDF document text
    • https://cdn.sqhk.co/jerowerar/ffgikpk/idle_world_mod_apk_unlimited_energy.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416326/normal_602255717d81c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411922/normal_6032faaad0e1d.pdfIn PDF document text
    • http://kuvenumine.mygamesonline.org/doxakemarixufinalik.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365545/normal_5fce24f4d4a71.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/kotidox/71718368090.pdfIn PDF document text
    • https://s3.amazonaws.com/novifamigot/ziropuxiratiw.pdfIn PDF document text
    • https://s3.amazonaws.com/foneniz/befefonafukerugipiwug.pdfIn PDF document text
    • https://s3.amazonaws.com/vavejijitatofu/amplified_bible_application.pdfIn PDF document text
    • http://gitodake.myartsonline.com/fojubulevifaxisavadako.pdfIn PDF document text
    • https://s3.amazonaws.com/netinuwa/follow_up_email_after_resume_submission_template.pdfIn PDF document text
    • https://s3.amazonaws.com/setikizo/delhi_metro_map_yellow_line.pdfIn PDF document text
    • https://s3.amazonaws.com/zepifudoxapo/nokia_c1_01_call_recorder_software.pdfIn PDF document text
    • https://s3.amazonaws.com/xapidajovaji/baremefemu.pdfIn PDF document text
    • https://s3.amazonaws.com/befarekogol/wow_cataclysm_protection_warrior_pvp_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/bejikefowu/nepasedafadexeva.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f23f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF23F 4732 bytes
SHA-256: c68ec6d67f55289a4c31636d1cc0d7f2af53f53e929e22084b8084bee8a411ea
font_01_sfnt_off00010265.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10265 10908 bytes
SHA-256: 666ec7d8cbd998e25fb261afd8675ef729a086d285ccb689127021c68b456d7c
font_02_sfnt_off000126aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x126AA 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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