Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ca5d1364fd2c7af…

MALICIOUS

PDF

111.5 KB Created: 2021-02-21 09:24:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 6c5254caa9d10c89955f100075a77eaa SHA-1: de1be364df5e9812a61247bcb223090ec36e53f8 SHA-256: 2ca5d1364fd2c7afb9549eb8d10a60fac3675e02dc0c487601130282a7391904
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to host a phishing page or further malicious content. The document body, though heavily obfuscated, includes a title that may serve as a lure.

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://baarspo.ru/wix?keyword=la+verdadera+historia+de+hello+kitty PDF link annotation
    • https://cdn.sqhk.co/mizopopowaze/nvjioig/ugcc_game_server_control_panel.pdfIn PDF document text
    • http://rafidoletusamox.22web.org/tratamiento_contra_el_covid_19_en_mexico.pdfIn PDF document text
    • https://cdn.sqhk.co/bitomasijelo/diihfgd/horizon_chase_world_tour_racing_games.pdfIn PDF document text
    • https://cdn.sqhk.co/jogowijalaro/6XAhblk/the_big_crossword_puzzle_answers.pdfIn PDF document text
    • https://cdn.sqhk.co/nudogada/ggjhcgh/givewiz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kirigawegugava.epizy.com/antichrist_movie_link.pdfIn PDF document text
    • https://s3.amazonaws.com/gidibesuxi/36938674505.pdfIn PDF document text
    • https://s3.amazonaws.com/zedilegol/39216649520.pdfIn PDF document text
    • http://ximagutetala.epizy.com/sheet_nhac_piano_bai_happy_new_year.pdfIn PDF document text
    • https://s3.amazonaws.com/feliso/94705654027.pdfIn PDF document text
    • https://s3.amazonaws.com/wujafivabipo/64361940266.pdfIn PDF document text
    • https://s3.amazonaws.com/dukajevo/87429016834.pdfIn PDF document text
    • https://s3.amazonaws.com/dofufiri/62759893457.pdfIn PDF document text
    • https://s3.amazonaws.com/timeziso/ranogogirozivafejagesos.pdfIn PDF document text
    • https://s3.amazonaws.com/setigafat/totuka.pdfIn PDF document text
    • https://s3.amazonaws.com/vufupu/nightmare_cinema_2019.pdfIn PDF document text
    • http://vakewexapenox.epizy.com/tuvamam.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001627f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1627F 4516 bytes
SHA-256: 5961a1cf6804c8c7480099fa771a2f0c3530b56e192a1e6914f849a59a2aeb80
font_01_sfnt_off00017266.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17266 5080 bytes
SHA-256: 92d3808eff2f1d80b7cc985b3f12578023810595117e63d9509ef12ec4a67abf
font_02_sfnt_off000183b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x183B2 13864 bytes
SHA-256: 8e638ac5be0c3254240293910e1478fee9ff78a10bed25b4a0b22f7e4a70d9df

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