Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff659a8f07dc8849…

MALICIOUS

PDF

81.9 KB Created: 2020-12-30 10:12:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 77b60d6f88b81f859abed0173bf2f1f6 SHA-1: 15c35392f29af9b74052e61edc6414f518de70c9 SHA-256: ff659a8f07dc884948f24bfd012f32aa079aa17e72ce0ca6ee1a8ceec61678f1
136 Risk Score

Malware Insights

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

The PDF document contains a lure related to 'Tactical Assault Commander Pro Xbox One' and redirects to a suspicious URL, 'https://trafficel.ru/strik?utm_term=tactical+assault+commander+pro+xbox+one'. This URL is flagged as an SEO redirector, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving a phishing campaign or the delivery of a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://trafficel.ru/strik?utm_term=tactical+assault+commander+pro+xbox+one PDF link annotation
    • https://cdn.sqhk.co/zagusebipin/EGwifif/letovo.pdfIn PDF document text
    • https://cdn.sqhk.co/zenujulikik/Zs5ichb/second_hand_clothes_buyers_near_me.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/3598b53e-8c89-4a6c-8dc5-e595be5f51d5/python_sort_files_by_name.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b6034348-302a-4111-aa0b-fd5c5a3018a2/30531848351.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e03d7601-cd30-483f-b45f-9bcb321c9864/kufilem.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/80a5e291-10f0-4551-99bd-5788a27b7cea/82542999053.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c906292c-62d3-422e-9bbe-1b239dca53d4/vemumopib.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/60545d54-5745-47b9-a627-97b6996cc982/furavababu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1eb06893-887e-418e-9c0d-51090811320e/gesobijowibejolepojad.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/99fecd67-0417-493d-afa8-8c618ef7f709/carx_drift_racing_unlimited_money_pc.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2bd7319e-0186-4890-81e1-978ba0d82c41/22877321572.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f436d1b8-98a7-4e69-a0f4-59ac51f45bf1/trombone_christmas_music.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c0fbf0a-350e-4131-87aa-26186fa6c0dd/age_of_exploration_map_directions.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4f6108b8-230e-435d-b4f5-4875181b3592/no_fear_shakespeare_othello_act_5_scene_2.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/577b140e-035a-44ae-ae10-a6d24786e295/manual_do_homem_moderno_terno.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f5b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5B4 2900 bytes
SHA-256: a28fcc4ba65d8171a55e8b87d646ac5d1dd213f66ab2b0026fd39e5ca5d32d1a
font_01_sfnt_off0000fff6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFF6 5376 bytes
SHA-256: 7118fb907cf94aecf526f176fcd23edcce8e7b0dc7b851ce9d2a9415faab2e50
font_02_sfnt_off00011223.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11223 12124 bytes
SHA-256: 7d3314ed282d5152a21688d86590f110cb3333f87b8cc0a852d0b25d3a383f2b