Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d0015669cde5f9c…

MALICIOUS

PDF

82.8 KB Created: 2021-03-09 07:52:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 710793f0ec9846e5e279e857e6bee4df SHA-1: 9acb64485ca57b52e6f0fdc222601331cccfd3f6 SHA-256: 1d0015669cde5f9cf84f1311e38ccd03f35d80a21644184dc2563d35fc99214e
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://midufefew.ru/wix?keyword=how+to+summon+bosses+in+ark+mobile PDF link annotation
    • http://akmurzina.com/vivezoribolajoturaliponi96gy.pdfIn PDF document text
    • http://myfoxing.online/82169064460tl7gu.pdfIn PDF document text
    • http://sportita.fun/duke_basketball_report_forumbusnc.pdfIn PDF document text
    • https://cdn.sqhk.co/futevanu/ijhdgec/lips_clipart_images.pdfIn PDF document text
    • http://bcpzonasegur4viabcp.com/greek_and_latin_suffixes_worksheets8wu2l.pdfIn PDF document text
    • https://cdn.sqhk.co/wenegifuteg/lENgcjb/ww2_european_theater_vs_pacific_theater.pdfIn PDF document text
    • http://kneeksi.ru/giant_cheque_template_ukq5nax.pdfIn PDF document text
    • https://cdn.sqhk.co/lijipatalenu/ggoiigd/gravity_ninja_2_telegram.pdfIn PDF document text
    • https://cdn.sqhk.co/wareberefiz/qL1TCij/16884575465.pdfIn PDF document text
    • https://cdn.sqhk.co/wadelovelo/blieSgg/super_fast_50_news_today.pdfIn PDF document text
    • https://cdn.sqhk.co/nixivezez/geqefje/1_1_4_trailer_hitch_ball_mount_walmart.pdfIn PDF document text
    • https://cdn.sqhk.co/bijininabex/dghFibN/army_navy_game_field.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/jazuravazaguz/sony_xplod_amp_600_watts.pdfIn PDF document text
    • https://s3.amazonaws.com/jebupofedijakuk/52979537686.pdfIn PDF document text
    • https://s3.amazonaws.com/ropidadegaxut/81382837115.pdfIn PDF document text
    • https://s3.amazonaws.com/vukumesoj/jarolarolujexitavix.pdfIn PDF document text
    • https://s3.amazonaws.com/muvazi/auto_tapper_android_5._1.pdfIn PDF document text
    • https://s3.amazonaws.com/vufupu/aacomas_schools.pdfIn PDF document text
    • https://s3.amazonaws.com/fefurorobumi/llama_llama_red_pajama_book_and_plush.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_off00010867.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10867 5088 bytes
SHA-256: 0bcb48a38b43a017b7d865efaf44e7936432d8e6396f6a88532663a5700e8003
font_01_sfnt_off000119a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x119A8 10720 bytes
SHA-256: de0b4dc324b17d5d00406fa0a8e10a313e0ec9639d7b3d879e7f1e591ff0cc0c

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