Malicious PDF — malware analysis report

Static analysis result for SHA-256 30c4d2ff7ac3c555…

MALICIOUS

PDF

71.7 KB Created: 2021-03-14 09:16:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 662ced157a7d5e5ca3446fd528d06740 SHA-1: e44139c4012aef1b1bd7352e4b2e2bc41343d1e2 SHA-256: 30c4d2ff7ac3c555475e61be87ed722f967e3d1a5b7927a840e567d4a8c19aca
104 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of an external URI pointing to 'xezojetit.ru' suggests the document is designed to redirect users to a potentially harmful site. Although no scripts were explicitly extracted, the PDF structure and the ML detection strongly suggest it's a phishing lure, likely attempting to download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://xezojetit.ru/123?utm_term=bol+radha+bol+movie+song++webmusic
    • http://golixudib.mypressonline.com/43494687237.pdf
    • http://larebalin.mypressonline.com/is_tcl_better_than_insignia.pdf
    • http://vomimaforotagi.mywebcommunity.org/how_to_win_pick_3_lottery_books.pdf
    • http://nitesufi.sportsontheweb.net/how_to_pair_jam_hang_up_bluetooth_speaker.pdf
    • http://pabufit.22web.org/rch_guidelines_febrile_seizure.pdf
    • https://gisunada.weebly.com/uploads/1/3/1/4/131409009/7440912.pdf
    • https://wonozonozosog.weebly.com/uploads/1/3/1/3/131398184/wojebitoruj.pdf
    • https://padokerasuwo.weebly.com/uploads/1/3/5/3/135319223/974ce79.pdf
    • https://xaverawigidun.weebly.com/uploads/1/3/4/4/134437914/7862149.pdf
    • https://nezozavigarej.weebly.com/uploads/1/3/4/7/134727028/9a40e390c5.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/1d850c70-a093-44c8-9142-1e181d5e84f3/70419660932.pdf
    • https://uploads.strikinglycdn.com/files/d426b3cb-4ffe-4c52-9746-42033776abd5/how_to_export_blender_to_unity.pdf
    • http://wewolasa.epizy.com/nelawisugat.pdf
    • https://uploads.strikinglycdn.com/files/88ccdc64-a6f5-420c-a888-d0aed9dfa4cc/sat_practice_test_1_answer_sheet.pdf
    • http://zegorekezape.rf.gd/trading_fr_dummies_amazon.pdf
    • http://fiwujugisijema.epizy.com/79._chemical_symbol_parade_worksheet_answers.pdf
    • http://xodupope.epizy.com/emerson_thermostat_light_not_working.pdf
    • https://uploads.strikinglycdn.com/files/45ee8288-a02d-41ca-892b-9289de09028c/tecknet_keyboard_not_connecting.pdf
    • http://jumerajoge.epizy.com/connect_four_board_template.pdf
    • http://nedilopasosugop.epizy.com/buy_cotton_bed_sheets_online.pdf
    • http://kisuneronebel.rf.gd/39323268965.pdf
    • http://miwufojo.epizy.com/zenuwobadalafofatilowodad.pdf
    • http://ninefaniki.rf.gd/fire_safety_risk_assessment_educational_premises_guide.pdf
    • http://xumusemowujev.epizy.com/breaking_free_from_ocd_a_cbt_guide.pdf
    • http://pidejekakej.epizy.com/platform_economy_summit.pdf
    • http://pogifovemujure.epizy.com/android_auto_video_player_hack.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d9d9.bin
457bc305f2494851c8f9fb527c2e72542f52b61ab9774c9e9464cfac2651175d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD9D9 5696 bytes
font_01_sfnt_off0000ed19.bin
6765a49ff86132d72db835c5eb666622922b5319081e841a5a86ed6a09c6ce13		 pdf-font-stream PDF embedded font (sfnt) at offset 0xED19 10552 bytes

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