Malicious PDF — malware analysis report

Static analysis result for SHA-256 bae925e6bef80dbd…

MALICIOUS

PDF

82.8 KB Created: 2021-04-02 08:37:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: cab63af6432148c0106769519396eb5f SHA-1: 1dd977fcd4a987afdfdab4fdf4d08bf8ff0993ad SHA-256: bae925e6bef80dbd8c3320b64de5248c9e2b09fe425da8eaed22302235a22364
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-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://lozipotod.ru/award?keyword=color+name+list+pdf PDF link annotation
    • http://boothattendant.com/the_hounds_of_baskerville_book_reviewrr60z.pdfIn PDF document text
    • http://cardio-natural.info/pevupowe8w8km.pdfIn PDF document text
    • http://badgesverified.com/best_board_games_2020_boardgamegeekzkpq8.pdfIn PDF document text
    • http://app-3null.com/pro_action_wmns610p_manualqeceb.pdfIn PDF document text
    • http://blognews.top/tujadumekef61ol.pdfIn PDF document text
    • http://kulinar2020.site/why_have_i_got_a_blood_spot_on_my_eyexx2gv.pdfIn PDF document text
    • http://tcerkovniekupola.space/childrens_stories_i_can_read_onlinej9taq.pdfIn PDF document text
    • http://devlp.club/3127446896xr2x7.pdfIn PDF document text
    • http://lavkavkusa.store/effective_practices_in_early_childhood_education_building_a_foundationho5h2.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/gedimuta/famous_rule_of_thirds_photography.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/21a052ce-4c11-457d-8296-08165d583b1a/95158631169.pdfIn PDF document text
    • https://s3.amazonaws.com/belapawerezuju/jenirug.pdfIn PDF document text
    • https://s3.amazonaws.com/dafumuxitupav/86320572581.pdfIn PDF document text
    • https://s3.amazonaws.com/xupizewuxere/aggregate_production_planning.pdfIn PDF document text
    • https://s3.amazonaws.com/tokit/lotusudalugamokomorasike.pdfIn PDF document text
    • https://s3.amazonaws.com/rimejiguvif/public_relations_manager_qualifications.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d17a4fee-d0b7-447c-a710-c0e9b3e4d169/3584039052.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/965774ca-1a9b-4630-8c3b-a8e933ecdebe/tewarokuke.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_off0001080c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1080C 5092 bytes
SHA-256: 799d00fe1e822a422c93885bbb4fd6a882c2fa845212a44c683549fc6c7c7826
font_01_sfnt_off0001193f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1193F 10924 bytes
SHA-256: 1d11dad589b2dea01147b0589438c245c83508adc17e64f8755ee79d40c67504

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