Malicious PDF — malware analysis report

Static analysis result for SHA-256 aba2c27491e9bd73…

MALICIOUS

PDF

76.0 KB Created: 2021-03-17 23:12:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 695cfa70a0ad7c3b09352afa4dc1803a SHA-1: 7162c660347c68f5a4176ddf7ebe2a22b437ea13 SHA-256: aba2c27491e9bd733904a6d11f96b48ed23e2d93274efe3766ba97f23cfeae33
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing site. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of external URIs strongly suggests a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

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://seumenha.ru/wix?keyword=general+zaroff+personality
    • http://xatakafigudu.getenjoyment.net/konapijelokunoniradoxi.pdf
    • https://cdn.sqhk.co/segenapiza/gcYfVih/free_photo_transfer_app_from_pc_to_ipad.pdf
    • https://cdn.sqhk.co/gebemiwisero/Phhijie/gibabenovunasidosowenet.pdf
    • https://cdn.sqhk.co/nigulavax/gcniftS/plants_versus_zombies_youtube_videos.pdf
    • http://tometifo.getenjoyment.net/vujam.pdf
    • https://cdn.sqhk.co/tononapiwaso/jaWnPia/download_methodist_shona_hymn_book.pdf
    • https://cdn.sqhk.co/jilowepe/Sgjgdhh/lewavawirediguguvife.pdf
    • https://cdn.sqhk.co/buvovemif/jhgejhI/kahoot_show_questions_and_answers.pdf
    • http://rasezatoxefu.mygamesonline.org/29671467055.pdf
    • https://cdn.sqhk.co/rizijuwet/gjigjhi/wrestlemania_33_results_bleacher_report.pdf
    • https://cdn.sqhk.co/gulaxemetila/xifidz9/zokabikutefu.pdf
    • https://cdn.sqhk.co/porekige/8nCCjbg/airplane_games_online_unblocked.pdf
    • https://cdn.sqhk.co/fifusaji/igic0jc/black_beauty_trailer_1971.pdf
    • https://cdn.sqhk.co/kixobaza/gchagjc/fasuporumozafez.pdf
    • https://cdn.sqhk.co/famuxina/akjIE3s/dafegedelinakoxi.pdf
    • http://zitokujamu.mypressonline.com/sagitak.pdf
    • http://jekenufakewe.mypressonline.com/how_to_fill_up_a_ronson_lighter.pdf
    • http://lowusonuraku.mygamesonline.org/detexirunelenom.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/ganubatebedoxez/wafabomuxuf.pdf
    • http://bememikat.onlinewebshop.net/alfabeto_grego.pdf
    • https://s3.amazonaws.com/lixisariwulo/32831893761.pdf
    • https://s3.amazonaws.com/nutanigonu/project_stakeholder_communication_plan_template.pdf
    • https://s3.amazonaws.com/liluvad/50663831673.pdf
    • https://s3.amazonaws.com/fadedosi/1080p_tamil_movies_free_sites.pdf
    • http://jeborawaleko.atwebpages.com/read_in_the_afterlight_online_free.pdf
    • http://pavafisufopu.myartsonline.com/5686133907.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_off0000ed46.bin
6b4763250f776f0d8c2833592ab8f7179c514e46a3709963434f1f9f3979ccaa		 pdf-font-stream PDF embedded font (sfnt) at offset 0xED46 5080 bytes
font_01_sfnt_off0000feb1.bin
3fb1965caf28e6fe30328c219a771eacf19b7088c14f69bc27ba53f63b8ecbd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFEB1 10352 bytes

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