Malicious PDF — malware analysis report

Static analysis result for SHA-256 00ef147319584cb1…

MALICIOUS

PDF

72.6 KB Created: 2021-04-13 19:00:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 3bd1792123d066014a69987e854a0888 SHA-1: 992833aad79187a2dc20e437a0ae2afec42f0d80 SHA-256: 00ef147319584cb1cfc898a08bd0eb2e2ebf21b431f71a040d0152de73e74e8d
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://leonvi.ru/strik?utm_term=city+mini+gt2+weight+limit PDF link annotation
    • https://cdn.sqhk.co/xegunorasu/fgfwghZ/texasofozobukonimuk.pdfIn PDF document text
    • https://cdn.sqhk.co/suxavawudomo/hO1iigd/youtube_how_to_install_wifi_booster.pdfIn PDF document text
    • https://cdn.sqhk.co/piredonina/cJjegig/5337739129.pdfIn PDF document text
    • https://cdn.sqhk.co/pinofizulag/jhrGagn/virorewixavukez.pdfIn PDF document text
    • https://cdn.sqhk.co/purovufizu/PhdKcYN/recorder_maricopa_county.pdfIn PDF document text
    • https://cdn.sqhk.co/zinumazak/iFifhhi/file_from_remote_server_using_java.pdfIn PDF document text
    • https://cdn.sqhk.co/wenegifuteg/igihIUw/rixabakikanuzapugewij.pdfIn PDF document text
    • https://cdn.sqhk.co/kagitenoru/djh22hc/hdfc_ergo_car_insurance_motor_claim_form.pdfIn PDF document text
    • https://cdn.sqhk.co/kosifodalab/jnPiifc/twitter_video_indir_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/tujarazimok/gdhdiiV/.pdfIn PDF document text
    • https://cdn.sqhk.co/wupofolizaj/hbpXyQ4/gin_rummy_plus_zynga_for_pc.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/479cc555-56d3-4ece-a60c-2a28adc8cf19/dell_precision_m4500_datasheet.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzaganog/british_council_reading_test_1_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ec583f4-2190-41f1-8bbc-caf2ae65febd/how_do_i_connect_my_kenwood_bluetooth_to_my_iphone.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7a9bc4cb-856c-47f0-8ea9-9c64305b52aa/76262293555.pdfIn PDF document text
    • https://s3.amazonaws.com/lopadivupudexa/guxitidalufeje.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fd6588ee-d246-4f56-9dda-c382da2947a4/spring_framework_java_tutorial.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d8b4ae70-9452-42e8-bb78-b041686819cd/15607404759.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/81b8c21c-087e-4076-93a5-e1c1ae1aa6a3/mivurorixirabaliri.pdfIn PDF document text
    • https://s3.amazonaws.com/legapatatezisa/lenavamuvawinojoz.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_off0000d987.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD987 4848 bytes
SHA-256: c50a120d4ccca48170514f678c1fdeb492b42bcb930597b1eeac59f2fc9cd9a7
font_01_sfnt_off0000e9fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9FC 12876 bytes
SHA-256: 5ac48e7b3330cee797522c07df3c26056e1afa41af0f9747db79d4139f4ce4e6

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