Malicious PDF — malware analysis report

Static analysis result for SHA-256 de074120bcd18a0a…

MALICIOUS

PDF

80.2 KB Created: 2021-02-16 06:54:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 22c86bd3f95d5c6c9a8ff518784ce78a SHA-1: 553ec2c61727b210d884374d94a0f02067738a47 SHA-256: de074120bcd18a0a3af5688b6589ea54e52717bf1fea82281e502f0bba756019
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, likely intended for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were extracted, the presence of an external URI and the overall classification suggest a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://leonvi.ru/123?utm_term=delonghi+magnifica+s+manual+portugues PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4418188/normal_602429c0c98fc.pdfIn PDF document text
    • http://noxopadorilu.iblogger.org/dreamweaver_cc_bootstrap_templates.pdfIn PDF document text
    • http://service-hire.com/47087493563018dg.pdfIn PDF document text
    • http://avlto.best/mopofatemele6nbg7.pdfIn PDF document text
    • http://forexgeeks.net/paint_blaster_game08prn.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4452845/normal_5ff18400d57d2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4424935/normal_60038381e6494.pdfIn PDF document text
    • https://cdn.sqhk.co/vesagivara/O5LWxjh/14430017578.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495707/normal_5fe776fb2e2d4.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.fontrix.comhttp://www.nhncorp.comIn PDF document text
    • https://s3.amazonaws.com/baxekojojexusol/kawaii_home_decor_mod_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/ritoma/chamara_ranawaka_music.pdfIn PDF document text
    • https://s3.amazonaws.com/dibedamoka/sojawu.pdfIn PDF document text
    • https://s3.amazonaws.com/luramamelolem/85332964352.pdfIn PDF document text
    • http://velumosak.epizy.com/new_york_times_crossword_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/xalasawu/the_pavement_bookworm.pdfIn PDF document text
    • https://s3.amazonaws.com/pafiganovavi/27146778407.pdfIn PDF document text
    • https://s3.amazonaws.com/tobaziw/dobukuler.pdfIn PDF document text
    • https://s3.amazonaws.com/benubapopikaj/almost_lover_piano_sheet_music_easy.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d19f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD19F 5428 bytes
SHA-256: 727a4fa07c23c68ae5de2948583742bd3cdbc1a19a4d33a9b444df6bbf65d6f4
font_01_sfnt_off0000e3ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3EE 2360 bytes
SHA-256: bf965ef11014d8431df45c006ecfe5758bd4bbee8c36566518d6a539b4429e71
font_02_sfnt_off0000ee1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE1F 10908 bytes
SHA-256: b3e32d86b4411260eb270bd4d56e0f9291f2181e11aa88f356c93655c5a1bb2e
font_03_sfnt_off00011221.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11221 2264 bytes
SHA-256: 077069ceaf294f7e9a2cb31f8fb368b51b7fbf5fd19473ad92ef3eece026242a
font_04_sfnt_off00011bc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11BC0 16152 bytes
SHA-256: 4c6ba8fa077585f42341c6f3b273d5e7b84b6680f1aaf46b2fde411e7b4457dd

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