Malicious PDF — malware analysis report

Static analysis result for SHA-256 936f7299fb6c7427…

MALICIOUS

PDF

74.9 KB Created: 2021-02-17 17:37:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 1c676203d5b5f753e6e74f47634224ac SHA-1: 32b68c39182376e3f0ef7e1fe4925f0481f03b0d SHA-256: 936f7299fb6c74270adbadfdc7aed0c03be374e5421a3f231044ff11f4ce5f17
104 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The document body, though obfuscated, suggests a lure related to religious text, and an external URI was found pointing to a suspicious domain. The presence of embedded URLs indicates an attempt to redirect the user to malicious content, likely for phishing or malware distribution.

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
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://seumenha.ru/aws?utm_term=allah+99+names+and+meanings+with+benefits PDF link annotation
    • https://cdn.sqhk.co/lomasamube/eibTiiM/european_history_timeline_20th_century.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450250/normal_5fe019b7ab61f.pdfIn PDF document text
    • https://cdn.sqhk.co/gimexigerub/eKGKhiB/gujulev.pdfIn PDF document text
    • https://cdn.sqhk.co/kufomopinu/jjjfKbu/31644162484.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393370/normal_6006ff3504475.pdfIn PDF document text
    • https://cdn.sqhk.co/xaranoraf/fTThePx/civ_6_new_expansion_2019.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455884/normal_601317cb0444d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487903/normal_60129914db7ec.pdfIn PDF document text
    • https://cdn.sqhk.co/mifigatira/faPegfm/bumper_ball_hitch_adapter.pdfIn PDF document text
    • https://cdn.sqhk.co/bemovunilupo/VEgdjbq/nezazonenisu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366340/normal_60044460c0746.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368501/normal_5ffefaa8ad915.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xupiwepe.epizy.com/76037443734.pdfIn PDF document text
    • http://fozabenisos.epizy.com/82309961897.pdfIn PDF document text
    • http://fusezumapaj.epizy.com/manualidades_con_botellas_plasticas_pequeas.pdfIn PDF document text
    • http://bedekopezedegej.rf.gd/new_action_games_for_laptop_free.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e36d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE36D 5600 bytes
SHA-256: 71321b5c1c8bd13441e5f90326d7e2dc075bb52e7ff48d8c0ec0b968fb1cbe68
font_01_sfnt_off0000f664.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF664 12744 bytes
SHA-256: 2f66ac1432e76f3fae2ad225086693e06d15e7bfb38c1275de79eab5ec7e6842

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