Malicious PDF — malware analysis report

Static analysis result for SHA-256 adc0069062f576f4…

MALICIOUS

PDF

77.5 KB Created: 2021-02-28 01:52:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 2f8ac858fb2a0fcc6b98d4fb6c567a4d SHA-1: ab5ad6502fe2b8f15669ecc29a1a5cb6b6dec696 SHA-256: adc0069062f576f42128576839d1279927144bc68da54e975ccefb4d5bfe5996
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI pointing to a suspicious domain, and ClamAV detected it as a phishing trojan. The document body, though heavily obfuscated, contains text related to a repair manual, suggesting a lure to trick users into clicking the malicious link. No scripts were extracted, but the presence of external URIs and the ML/ClamAV detections indicate a malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://soxebez.ru/award?keyword=2005+honda+rancher+350+repair+manual PDF link annotation
    • http://pc-remont.website/english_speaking_online_course_in_marathigut05.pdfIn PDF document text
    • http://igme.site/arealme_english_test_answersv2fgu.pdfIn PDF document text
    • http://rivepozepuxar.mywebcommunity.org/94076949155.pdfIn PDF document text
    • http://bidizujimon.getenjoyment.net/ge_pension_contact_number.pdfIn PDF document text
    • http://veruvipavopa.getenjoyment.net/ti_89_titanium_price.pdfIn PDF document text
    • https://cdn.sqhk.co/zurefaxenov/6bicEyF/international_calls_from_ukraine_to_us.pdfIn PDF document text
    • http://tepugorotewole.medianewsonline.com/garmin_vvofit_jr_1_waterproof.pdfIn PDF document text
    • http://mufutekuson.getenjoyment.net/tissot_racing_touch_manual_espaol.pdfIn PDF document text
    • http://sqrab.top/best_walking_foot_sewing_machine_for_auto_upholsteryln8vm.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/tazopaju/descargar_avast_antivirus_para_android_gratis.pdfIn PDF document text
    • https://s3.amazonaws.com/kitakilesa/80453421987.pdfIn PDF document text
    • http://medexode.atwebpages.com/briggs_and_stratton_lookup_by_serial_number.pdfIn PDF document text
    • https://s3.amazonaws.com/juduk/34719144822.pdfIn PDF document text
    • http://xinifaduzinuvu.onlinewebshop.net/ryobi_2000_psi_electric_pressure_washer_price.pdfIn PDF document text
    • https://s3.amazonaws.com/wujapu/define_biotransformation_in_pharmacology.pdfIn PDF document text
    • https://s3.amazonaws.com/lixisariwulo/wokarilepivupesujaxofobo.pdfIn PDF document text
    • http://vejegaba.atwebpages.com/xapavedawi.pdfIn PDF document text
    • https://s3.amazonaws.com/fomudebipefasu/wishcraft_barbara_sher.pdfIn PDF document text
    • https://s3.amazonaws.com/pidufozu/hd_screen_live_tv_app.pdfIn PDF document text
    • https://s3.amazonaws.com/fewunadupop/58341086263.pdfIn PDF document text
    • https://s3.amazonaws.com/wumodukubaru/96957014840.pdfIn PDF document text
    • http://lobopekogolo.onlinewebshop.net/86258807331.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_off0000f0ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0BA 5600 bytes
SHA-256: 2cdb305cb0c28656469002e7210fc1352208781ea8722214c3a7f7c31d172311
font_01_sfnt_off00010396.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10396 10732 bytes
SHA-256: 888f5cea3fe73dafe8b6e2a72031c2d1408b213974e2c4875730faed9bf4c2a3

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