Malicious PDF — malware analysis report

Static analysis result for SHA-256 f699517131ce5ef5…

MALICIOUS

PDF

73.1 KB Created: 2021-03-22 12:17:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: d3d2c8bdf09264f994ec57c11bb2a1b2 SHA-1: 558b2913f6bb220b9f0fb6125067d37208411300 SHA-256: f699517131ce5ef50e030c87e9073132f0db2792c296d186fac16bc7b6b9647f
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://dugedepap.ru/123?utm_term=lirik+lagu+asmara+setia+band PDF link annotation
    • https://lasebotoxuxuxir.weebly.com/uploads/1/3/4/7/134729765/vokasoden_xutar_lufojifora_minag.pdfIn PDF document text
    • https://cdn.sqhk.co/danopefasuf/jYgeTid/20249038892.pdfIn PDF document text
    • https://cdn.sqhk.co/ganinidunop/hjjhgjq/95011549386.pdfIn PDF document text
    • https://bopugokux.weebly.com/uploads/1/3/4/9/134901566/798146.pdfIn PDF document text
    • http://doworevo.22web.org/logenupogejefaxifozezu.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/buxoparadazegu/systemic_functional_grammar_text_analysis.pdfIn PDF document text
    • https://s3.amazonaws.com/befafuni/pifaxorovumefekomajen.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b6b3a55a-469a-406d-adce-55537b085b72/what_happens_to_my_soul_when_i_die.pdfIn PDF document text
    • http://rijejonusax.rf.gd/difference_between_object_oriented_programming_and_functional_programming.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/49af1544-9b28-425d-8964-6b2fa5f8c67f/49220360960.pdfIn PDF document text
    • https://s3.amazonaws.com/nowokil/8968317345.pdfIn PDF document text
    • http://pezududofafoguv.rf.gd/37851612904.pdfIn PDF document text
    • https://1cdd1dcb-54a5-4750-95ad-c4cce9a68cd1.filesusr.com/ugd/1e32c2_b49c44cfb871456cafdbf1430cca3ed3.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/59d7e74b-a4e0-481d-9394-6abb72bdcf2f/wufixepewobupelof.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cca6d484-57ad-4508-b87f-f4cf705a5698/sevuwavu.pdfIn PDF document text
    • https://31f314b5-0768-4c24-bd49-4596ea953b46.filesusr.com/ugd/85a4b1_2e739740c7494dc084491187a840c623.pdf?index=trueIn PDF document text
    • http://subugemorikeg.rf.gd/98-364_database_fundamentals_book.pdfIn PDF document text
    • https://s3.amazonaws.com/setikizo/individual_development_plan_goals_sample.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_off0000e08f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE08F 5288 bytes
SHA-256: 7bd9f300c7dbe232662e5e0d3db77f529bc361bb19511213ab2bd5dfe2d37f13
font_01_sfnt_off0000f277.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF277 10760 bytes
SHA-256: 0d06080aac521726b690c9d40850acc057ecf7caa0e466c2d69602f0418d329b

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