Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a1d1375b2c05535…

MALICIOUS

PDF

96.3 KB Created: 2021-03-02 20:50:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 59fe4cc45bd92f94f99b0db9f9c7cccc SHA-1: fae73937e1b398b603c8c2cbee48c0d5fed0a9ea SHA-256: 8a1d1375b2c05535099694f22d44e46e3e0be222235990f67cb596ff86f6cf60
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains an embedded URI pointing to a URL that appears to be a lure, disguised as a manual for 'Droid razr hd'. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://mezovuduw.ru/wix?keyword=droid+razr+hd+manual PDF link annotation
    • http://xegazinijitup.mywebcommunity.org/rogibisuleniruju.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451955/normal_602b70bd40a2b.pdfIn PDF document text
    • https://cdn.sqhk.co/tinipuded/hjfYjdH/gun_jumping_merger_meaning.pdfIn PDF document text
    • https://cdn.sqhk.co/zivudasexoni/jfy0rge/mid_century_modern_couch_with_chaise.pdfIn PDF document text
    • http://jufumabenosenup.iblogger.org/wadobonajokiv.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370767/normal_60010d7ff0dfc.pdfIn PDF document text
    • http://fepaporipevari.mypressonline.com/51925681021.pdfIn PDF document text
    • https://cdn.sqhk.co/ruzudulo/hZF8FqN/teach_online_services_educator_lookup.pdfIn PDF document text
    • https://cdn.sqhk.co/kimejijomaki/bzleidD/chase_bank_with_coin_counting_machine_near_me.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mutigoniruri.epizy.com/kiwine.pdfIn PDF document text
    • https://s3.amazonaws.com/bugutaj/app_lock_free_latest_version.pdfIn PDF document text
    • http://nexofemexer.epizy.com/chhichhore_full_movie_quora.pdfIn PDF document text
    • https://s3.amazonaws.com/tejuvonixag/python_coding_language.pdfIn PDF document text
    • http://vugupopoji.epizy.com/59484513567.pdfIn PDF document text
    • http://wavazazefeka.epizy.com/child_consent_travel_form_template.pdfIn PDF document text
    • https://s3.amazonaws.com/bogijexu/microsoft_visual_basic_2010_express_registration_key_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/xeruxaxer/136355014.pdfIn PDF document text
    • https://s3.amazonaws.com/rojalexipokadaz/logitech_bluetooth_keyboard_k380_manual.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_off00013e22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13E22 4936 bytes
SHA-256: 02b900f20ed3a6184414e3f5cf623f2a386912cb8367e7a4328f9d528c51cf0f
font_01_sfnt_off00014ec6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14EC6 10940 bytes
SHA-256: 16aa23c90ce72a57690f41979583c370722834eda9925e2b87ed3d884b4c7539

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