Malicious PDF — malware analysis report

Static analysis result for SHA-256 075566ee250330de…

MALICIOUS

PDF

88.6 KB Created: 2021-02-27 08:58:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-03
MD5: 2b5c43a6e0c193a8500c69e387db4c8c SHA-1: e209bdbbf1e8ccdc9aff84b422509a1f3b5a0de2 SHA-256: 075566ee250330dec75310b14eea49c3190f5f4022d71048c1e06f589e75d703
96 Risk Score

Malware Insights

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

The file is a PDF document detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to deliver a malicious payload or phish for credentials. The document body, though heavily obfuscated, suggests a lure related to an award or prize, consistent with phishing tactics.

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://fokemale.ru/award?keyword=singer+fashion+mate+computerized+sewing+machine PDF link annotation
    • http://movawizaxaxato.mywebcommunity.org/ropuboxivaginepo.pdfIn PDF document text
    • http://recepty-dd.info/44521312211qnmr2.pdfIn PDF document text
    • https://cdn.sqhk.co/muwanije/jihtjaa/escape_plan_the_extractors_full_movie.pdfIn PDF document text
    • http://rekabiwuxu.22web.org/troy_bilt_21_self_propelled_mower_parts.pdfIn PDF document text
    • http://phtech.site/18721834858l6agm.pdfIn PDF document text
    • https://cdn.sqhk.co/zanemulazif/eUt6eih/spaceballs_quotes_cousin.pdfIn PDF document text
    • http://kedugobepuged.mywebcommunity.org/26550132085.pdfIn PDF document text
    • http://islta.fun/commercial_sublease_agreement_template_uk5huiw.pdfIn PDF document text
    • http://subbellassecret.com/992622279jghli.pdfIn PDF document text
    • https://cdn.sqhk.co/kinemefuwa/jceFjgG/41802396439.pdfIn PDF document text
    • https://cdn.sqhk.co/devurekon/x97hdid/3d_ball_balancer_extreme_adventure_game.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/rodigapigeta/good_morning_sunday_photos.pdfIn PDF document text
    • https://s3.amazonaws.com/pevarijidasalop/python_3._4._1.pdfIn PDF document text
    • https://s3.amazonaws.com/mubemutolewe/garmin_astro_320_handenhet_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/polexebuj/navasiv.pdfIn PDF document text
    • https://s3.amazonaws.com/vekodupiwarobi/hotel_receipt_template_word.pdfIn PDF document text
    • http://xavemiwikujuxuk.rf.gd/69926334113.pdfIn PDF document text
    • https://s3.amazonaws.com/fadedosi/99452118907.pdfIn PDF document text
    • https://s3.amazonaws.com/wegugus/hollywood_movie_tamil_language_tamilrockers.pdfIn PDF document text
    • https://s3.amazonaws.com/povodijirig/xosupa.pdfIn PDF document text
    • http://resilasijajatil.myartsonline.com/pl_sql_if_else_equal.pdfIn PDF document text
    • http://xetisovabad.rf.gd/78430534930.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_off00011a53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A53 5784 bytes
SHA-256: 00f65c3d6fbd853bcb324df9e7365c4e5aed1a679ee1646909fc85ee4be6b2d2
font_01_sfnt_off00012df9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12DF9 10908 bytes
SHA-256: 5c040204b570f9f9a5431c6a500abb57e1db01a8091c59d2b5b6a9ad686e6847

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