Malicious PDF — malware analysis report

Static analysis result for SHA-256 518a6d1aabcd47d9…

MALICIOUS

PDF

80.3 KB Created: 2021-04-28 14:10:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 82f30506c85f53dfb3089c625e52b196 SHA-1: dcd11de0879c1059e9834cea20e4a6b893ad2b4a SHA-256: 518a6d1aabcd47d92b44e7231b8ad1fce9dfacd020fa7f684d915ba3250e0e76
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 0.9997

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://xezojetit.ru/strik?utm_term=ryobi+intelliport+charger+p118+manual PDF link annotation
    • http://thelait.pro/rigaxesuneninixajinapevkqt3.pdfIn PDF document text
    • http://qwertyujg.xyz/how_to_solve_a_rubix_cube_step_by_step_picturesu7ap7.pdfIn PDF document text
    • http://xxlmature.site/how_long_to_bake_brownies_in_individual_brownie_panch9fs.pdfIn PDF document text
    • http://hookup673.site/game_of_thrones_books_box_set_1-7asqzx.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467950/normal_6029215007806.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454562/normal_5fdaf7288eaab.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465392/normal_5fd1decf25ad9.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://5663e088-3595-439c-971a-5873693bee35.filesusr.com/ugd/e98895_a62e3b4291cc4aae84ce719ffe84a18e.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/gekojulog/kishore_kumar_songs_free_mp4.pdfIn PDF document text
    • https://s3.amazonaws.com/zuponefi/quadratic_equation_discriminant_worksheet.pdfIn PDF document text
    • https://5e1449e8-5ae4-4a15-bc7a-ee23795bc964.filesusr.com/ugd/3a34a5_02d8ccc5ca544fd0a84829e7cfea2c98.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e535e61-729e-49cf-9505-e2c59ba06291/41934879238.pdfIn PDF document text
    • https://98748e4b-3258-471a-903e-8ea98415cca0.filesusr.com/ugd/fd7405_8131b4ba240c4863a7a8551e9db9796b.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/d184c948-0f87-4c63-94eb-d9f43c25f6b0/72707253614.pdfIn PDF document text
    • https://65fca3b3-7ce8-4d56-9bc8-ebe46cc5223b.filesusr.com/ugd/f6ed72_e8b407a8ff2a4378a0273b3fae919ff5.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/wujapu/zojen.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ddc9433-b021-4c77-ab05-7066cdecd15c/anatomy_for_the_artist_sarah_simblet.pdfIn PDF document text
    • https://s3.amazonaws.com/farezelof/maths_aptitude_questions_and_answers_interview.pdfIn PDF document text
    • https://0dd4521b-3e41-4083-9bcc-807cce03ae78.filesusr.com/ugd/cfe2e9_fb8b09107f7a4b1894ff51d41fbaa754.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/xewamejixolefaj/the_woman_in_the_window_netflix_release_date.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/04d87376-e4ae-4b3f-b252-84cb7a229846/1999_honda_accord_lx_service_manual.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_off0000f8b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8B6 5664 bytes
SHA-256: f823226b65b4947470c3ad0202a3838ad553c430cec5cd4dd8f56de072167760
font_01_sfnt_off00010be8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BE8 11244 bytes
SHA-256: 08c7975e3337d4bcef6ce2b0df4cfbd9484f9dd36c19e65f418db6df98c86043

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