Malicious PDF — malware analysis report

Static analysis result for SHA-256 96ab3b8b14f2856b…

MALICIOUS

PDF

71.3 KB Created: 2021-03-10 18:30:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a267b0005e0eca982364363928b44542 SHA-1: 7c7bf2fd5968cf6d04bcf167c556cfb7e7a2d372 SHA-256: 96ab3b8b14f2856b0d0785c0e1820126db90ad591c95ad9210fcb48125e62eef
96 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains embedded URLs that lead to suspicious domains, suggesting a phishing or malware distribution attempt. The document body, though partially corrupted, references 'Viasat film premiere tv guide', indicating a lure to trick users into visiting the malicious sites.

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://dafemum.ru/123?utm_term=viasat+film+premiere+tv+guide
    • http://wiregabjuk.fun/64896407105s5qqt.pdf
    • http://hugertely.xyz/how_much_do_viking_sewing_machines_costsfe7k.pdf
    • http://registrat.space/78855239422o6p54.pdf
    • http://whitecheat.xyz/6665972341059vsd.pdf
    • http://myimperfectmomlife.com/my_pcc_bookstorewc7c2.pdf
    • http://klossheff.xyz/sufaxifaretaxajewtw17t.pdf
    • http://idealicaitalia.website/76475570552zpxmf.pdf
    • https://cdn.sqhk.co/vuzefoveniri/eicjcKI/25665525200.pdf
    • http://5coupon.info/13991095293uft21.pdf
    • https://cdn.sqhk.co/pefisemise/ihhhFE8/game_creator_app_for_pc.pdf
    • http://shopsmmv.site/36479643601a3m0y.pdf
    • https://cdn.sqhk.co/rogudokives/jiM4Xid/regol.pdf
    • http://alcexpress3.xyz/fstcom_spy_camera_manual9ti3l.pdf
    • https://cdn.sqhk.co/tumosirewuw/ijbRZgd/21274413213.pdf
    • http://trynon.xyz/third_age_divide_and_conquer_installation_guideh987n.pdf
    • http://bitsracing.net/el_chavo_kart_kart_racing_games_ps44vk8m.pdf
    • https://cdn.sqhk.co/dujuxafetot/hjihQfE/color_harmony_meaning_tagalog.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://8d6920c1-aef5-45ed-b1a0-e693d63948fb.filesusr.com/ugd/0a593f_38e899a28b8747d7bf2580b4b9776749.pdf?index=true
    • https://57fc24c6-ba7c-430a-bdae-05304608b610.filesusr.com/ugd/bc9c68_a8bfecd55b034b49813e3cc39db6b1b9.pdf?index=true
    • https://6e7ef639-f89a-4701-86f9-710a836f1183.filesusr.com/ugd/12745a_5f59dc081e4b49efa6c69e2da655e705.pdf?index=true
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d7ab.bin
0eef1acaf9db1b0ff1f245d9e74ca4c63f66721ab6cc610e3e3ff5a28056af2b
pdf-font-stream PDF embedded font (sfnt) at offset 0xD7AB 5388 bytes
font_01_sfnt_off0000e9f8.bin
27e6ff473c6011b54169cbf7c756f0dc5ec90533f81f0b0646543bbe70b0e990
pdf-font-stream PDF embedded font (sfnt) at offset 0xE9F8 11660 bytes