Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e0c56806a9e6576…

MALICIOUS

PDF

74.1 KB Created: 2021-01-31 21:04:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 5791b9a59eb64103630b9eb2efb52d40 SHA-1: 5d745fb9a33f0b3323eb876581e954ba12864983 SHA-256: 7e0c56806a9e657666120fb917876e9c8893e06cd35e69519365e5314b594ee4
104 Risk Score

Malware Insights

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

The PDF file contains a heuristic indicating it's a phishing lure, specifically disguised as a movie download. The embedded URL, 'https://maypoin.ru/123?utm_term=kahaani+2+hindi+movie+download+hd', directly supports this phishing pretext. ClamAV detection further confirms its malicious nature as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://maypoin.ru/123?utm_term=kahaani+2+hindi+movie+download+hd PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4447916/normal_5fe3b2d27d8b6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366350/normal_5fe6ec61aa868.pdfIn PDF document text
    • http://it50save.info/geo_book_1m_11._6_intel_celeron_laptopowr8k.pdfIn PDF document text
    • https://cdn.sqhk.co/duziketopefi/Shhegeb/word_swipe_pic_level_269.pdfIn PDF document text
    • https://cdn.sqhk.co/gejixoneku/hgfKrjh/64757210486.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393019/normal_5ff13a14efd15.pdfIn PDF document text
    • https://cdn.sqhk.co/sufiwotag/4hfricQ/natural_fake_nails_short.pdfIn PDF document text
    • https://cdn.sqhk.co/kusewupudin/Lgijigw/31231190196.pdfIn PDF document text
    • https://cdn.sqhk.co/vodadavubex/hgU5gim/color_jump_ball_apkpure.pdfIn PDF document text
    • https://cdn.sqhk.co/vuzowadijavu/vjdOF91/finukex.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365659/normal_5fdc82463b265.pdfIn PDF document text
    • https://cdn.sqhk.co/xolovagi/aSijihN/dealsmagnet_offers_and_coupons_for_online_shopping.pdfIn PDF document text
    • http://exampl1214.com/nozusosenakzseux.pdfIn PDF document text
    • https://cdn.sqhk.co/kixagixupo/dbjjcAh/raduzijonepuxetawuwedon.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/dusined/psc_education_board_result_marksheet_2017.pdfIn PDF document text
    • https://s3.amazonaws.com/masevewi/1413089117.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_off0000e600.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE600 5044 bytes
SHA-256: b9e7d32da9cded3c5ae5d24fc3ad10bee31e3a46cbdfaa777351f1a163c4ccce
font_01_sfnt_off0000f71c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF71C 10724 bytes
SHA-256: 3073c2935dcac76dafc1e6af127680ae5bdc84297c62b7362da594db4381183a

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