Malicious PDF — malware analysis report

Static analysis result for SHA-256 1eb12f958cee59e6…

MALICIOUS

PDF

75.2 KB Created: 2021-03-28 19:55:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 112a8d77b7eb7ae32356e486923c7765 SHA-1: ebd0138aaa742117a393bc2000267c09b569cfe4 SHA-256: 1eb12f958cee59e6e21ea8b7cc6d1cefbeb3daa7601eb94ae9ab9e96b14811ab
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URL leading to a suspicious domain. The document body, though heavily obfuscated, appears to reference a product manual, suggesting a lure to trick users into visiting the malicious URL. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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/strik?utm_term=cateye+micro+wireless+manual+cc-mc100w PDF link annotation
    • http://gemofesane.medianewsonline.com/maze_runner_la_rivelazione_streaming_ita_film_per_tutti.pdfIn PDF document text
    • http://vizionsmc.net/aruvam_tamil_movie_tamilgunidx3h.pdfIn PDF document text
    • http://fuckfrsky.com/disputing_medical_debt_on_credit_report3ddvm.pdfIn PDF document text
    • http://zukixulen.mypressonline.com/wulavikopoxotosiju.pdfIn PDF document text
    • http://zekojotewakugag.mypressonline.com/cuantos_centimetros_equivale_un_metro_lineal.pdfIn PDF document text
    • http://lnstagram-blue-ticks.com/470731422241pjgh.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/kubafezin/lawaseriribikekujurukiwam.pdfIn PDF document text
    • https://s3.amazonaws.com/jimugivos/best_easton_arrows_for_hunting.pdfIn PDF document text
    • https://s3.amazonaws.com/tizowodifi/97598048240.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a951d946-14b1-425a-bbdc-344f4e76dc2c/68774069205.pdfIn PDF document text
    • https://s3.amazonaws.com/takateg/wrecking_ball_song_mr_jatt.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c37cd5e9-c899-41a5-80c9-4440c6f0e7bc/for_dummy_logo_generator.pdfIn PDF document text
    • https://s3.amazonaws.com/nitizobuv/9037982138.pdfIn PDF document text
    • http://medexode.atwebpages.com/jamexazojatigavex.pdfIn PDF document text
    • https://s3.amazonaws.com/zerejibixupav/pokemon_blazed_glazed_2018.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e435d2a0-ef0c-41f1-ab19-7df2a46c4b95/advanced_mechanics_of_materials_and_applied_elasticity_5th_edition_solution.pdfIn PDF document text
    • http://zaxuzut.atwebpages.com/bluedio_t5_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/dofufiri/2190523771.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/27644c78-e5d3-4f19-b4da-e8fd90dc4a1a/kenmore_ultra_wash_665_reset.pdfIn PDF document text
    • http://bogalibamadom.myartsonline.com/fadudusojebegu.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_off0000e6c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6C6 5272 bytes
SHA-256: 167a542b909f6547de55525357dea144b5f3d0a5483ee787b0882db2f42781d5
font_01_sfnt_off0000f8b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8B7 11284 bytes
SHA-256: 323f276e7e415b32c0f9680036e2f7f0e55a83c2fda2f0b2b3b4b4dd24155eb4

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