Malicious PDF — malware analysis report

Static analysis result for SHA-256 60937c4b62871417…

MALICIOUS

PDF

72.4 KB Created: 2021-01-25 21:14:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 03ce3688e090f33a02b1b463cd459c24 SHA-1: d4aa930bffc11fe6c62cf6c161fb2bb34d4d1936 SHA-256: 60937c4b628714175f42cfc694d7ba9bb73f3d7c0c208bc994792baed1ba2de9
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to host a phishing page or download further malware. The document body, though heavily corrupted, suggests a lure related to an 'attendance form printable'. No scripts were extracted, but the presence of external URIs and the overall detection profile strongly suggest a phishing or malware distribution attempt.

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://druttle.ru/aws?utm_term=attendance+form+printable PDF link annotation
    • http://madamzero.com/3556714611tza1b.pdfIn PDF document text
    • http://reawolt.online/anime_girl_pose_3d_apk_megazp9e3.pdfIn PDF document text
    • http://trastenmyqort.online/986694186396lrg.pdfIn PDF document text
    • http://scrlt.xyz/derailed_2016_movie_downloadfqcsz.pdfIn PDF document text
    • http://rukozhop-guide.com/dejitiwowo4osj3.pdfIn PDF document text
    • http://vpntop.info/jixasipuleminalx5ej.pdfIn PDF document text
    • http://semengergel.ru/hyperspin_pc_games_packy4p93.pdfIn PDF document text
    • http://itwomen.space/302523381359fnb9.pdfIn PDF document text
    • http://rubisteq.online/best_color_changing_smart_light_bulbwvstz.pdfIn PDF document text
    • http://9gusevshop.website/fixewipenaxeke5sgd.pdfIn PDF document text
    • http://liketime.online/learn_english_grammar_free_course8wlef.pdfIn PDF document text
    • http://buyfastedcircle.xyz/walking_dead_wallpaper_tumblrfjath.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/dogazisuze/antasida_doen.pdfIn PDF document text
    • https://s3.amazonaws.com/nawosineromigi/slate_digital_demo.pdfIn PDF document text
    • https://s3.amazonaws.com/tiduro/wokixepedaxej.pdfIn PDF document text
    • https://s3.amazonaws.com/vebenok/10079284104.pdfIn PDF document text
    • https://s3.amazonaws.com/fikuvine/swimmer_s_shoulder_exercises.pdfIn PDF document text
    • https://s3.amazonaws.com/nawosineromigi/laminating_sheets_walgreens.pdfIn PDF document text
    • https://s3.amazonaws.com/simujix/express_yourself_charles_wright_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/ravuxudibure/nupilajenufap.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_off0000e0c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0C2 5252 bytes
SHA-256: 313f86c9eb9cb564861cb1f6f4cf0bb014e4e00502b1e10110d746d150547375
font_01_sfnt_off0000f285.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF285 9936 bytes
SHA-256: b12ede19a241c7a82cec2d0bba431e4977af1d8f93d6ab4c13037ca6fdf88378

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