Malicious PDF — malware analysis report

Static analysis result for SHA-256 2243ed48843fd5d1…

MALICIOUS

PDF

65.3 KB Created: 2021-06-03 07:53:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ac88bba0ecc510d285fd4b67a6e3e73 SHA-1: f245db29199a14329031cfeb66f6b68280938e11 SHA-256: 2243ed48843fd5d1591a7a8bc4d44f46613d05e27315ba8ef469cf22ba104a83
94 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document body contains a URL that appears to be a lure for downloading a 'generator free fire vip apkpure download', suggesting a phishing or malware distribution attempt. No scripts were extracted from this sample, but the presence of an external URI points towards a potential download or redirection to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9263

Heuristics 3

  • 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
  • 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://cructi.ru/pbw?utm_term=generator+free+fire+vip+apkpure+download
    • https://cdn-cms.f-static.net/uploads/4408352/normal_5fdc4fbbccb35.pdf
    • https://cdn-cms.f-static.net/uploads/4379046/normal_6038132837704.pdf
    • https://cdn-cms.f-static.net/uploads/4455185/normal_60497c1396299.pdf
    • https://static.s123-cdn-static.com/uploads/4412758/normal_5ffa0843d8e01.pdf
    • https://static.s123-cdn-static.com/uploads/4383698/normal_5fe55e0ca31db.pdf
    • https://cdn-cms.f-static.net/uploads/4378406/normal_600b352eed3e6.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://zexowisam.pbworks.com/f/is_r6_insulation_worth_it.pdf
    • http://zixereves.pbworks.com/f/anatomy__physiology_the_unity_of_form_and_function_9th_edition_by_kenneth_saladin.pdf
    • https://uploads.strikinglycdn.com/files/9bcf4f51-5c21-4e13-ae32-4f2cbba14a01/fewesavonuzotavirube.pdf
    • http://tufukamapaf.pbworks.com/w/file/fetch/144498309/38227813849.pdf
    • http://najapenoz.pbworks.com/f/japolukolakan.pdf
    • http://jitilabajeko.pbworks.com/f/how_many_years_do_beats_solo_3_last.pdf
    • http://pinurakus.pbworks.com/w/file/fetch/144532707/what_is_the_source_of_ammonia_in_nitrogen_in_water.pdf
    • https://uploads.strikinglycdn.com/files/28d630d7-374f-4f5e-8ba7-28b410dfa6a6/birajaluwobotunutema.pdf
    • https://uploads.strikinglycdn.com/files/b0018c05-ef22-4f8b-9885-4179eccf85f8/is_malazan_book_of_the_fallen_worth_reading.pdf
    • http://xojipoxar.pbworks.com/f/best_book_for_learning_c_programming.pdf
    • https://uploads.strikinglycdn.com/files/c886898d-5504-4a16-83e2-98ea81e3df3d/captain_underpants_free_online.pdf
    • http://pusavivo.pbworks.com/f/age_of_civilization_2_apk_pc_oyun_indir_club.pdf
    • https://uploads.strikinglycdn.com/files/2ed20468-e0c1-456d-85d3-42e878c2b782/bushnell_scout_1000_arc_laser_rangefinder.pdf
    • http://mapaduzipi.pbworks.com/f/faxipigubu.pdf
    • https://uploads.strikinglycdn.com/files/0764ac4f-acfb-4d09-a91a-4a53bced884d/2376743193.pdf
    • https://uploads.strikinglycdn.com/files/a4413068-9fd1-4b2a-9c46-45d0fb207577/how_to_draw_comic_characters_step_by_step.pdf
    • http://kedefoviraj.pbworks.com/f/23896891385.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e723.bin
8c18e95f6f057146f302fff4b237d8bac4befa2c1be5b938c78f5eaa2d4a8616
pdf-font-stream PDF embedded font (sfnt) at offset 0xE723 5104 bytes