Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5047c15618a2972…

MALICIOUS

PDF

65.4 KB Created: 2021-03-24 20:29:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 169f3d65a559b9a53df52c7e2cd48905 SHA-1: 2cf46f2d0e6f97a57d15220075b363a124801865 SHA-256: c5047c15618a2972aa8fec4e6a3f60fad4cf2297bf31609c8c4eb8e3c3c57a25
124 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs, with several pointing to unknown or potentially malicious domains. Heuristics indicate it functions as a link farm hosted on disposable infrastructure, suggesting a phishing or malware distribution attempt. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5460

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://fokemale.ru/award?keyword=jdk+8+tutorial+pdf
    • http://fonivoguko.medianewsonline.com/wuguzadebeme.pdf
    • https://cdn-cms.f-static.net/uploads/4482424/normal_6047086e34e73.pdf
    • http://art-practice.org/direct_and_indirect_object_pronouns_english_worksheetslksi5.pdf
    • http://gonzo-3d.com/how_much_do_jitterbug_phones_costfqt9t.pdf
    • http://trenolgia.buzz/79236267048kml8b.pdf
    • https://static.s123-cdn-static.com/uploads/4485821/normal_5ffd80b69c9e2.pdf
    • http://nat-yoga.space/dsm_v_italiano_gratiszk4ph.pdf
    • http://sutivetowit.mypressonline.com/yesterday_once_more_piano.pdf
    • https://cdn-cms.f-static.net/uploads/4378853/normal_5fd5ff97bc79b.pdf
    • https://cdn-cms.f-static.net/uploads/4490365/normal_602c68aaaf572.pdf
    • http://natnat.fun/which_blood_pressure_reading_is_more_dangerousxbt0a.pdf
    • https://static.s123-cdn-static.com/uploads/4426090/normal_6007b43617a5b.pdf
    • http://jonebukusopovet.mygamesonline.org/81014544053.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/b35ae43a-1ffd-4ee8-947d-53916f657503/how_to_operate_dewalt_3400_psi_pressure_washer.pdf
    • https://ad9e3d1f-bb22-46ca-892e-b6aa3325a756.filesusr.com/ugd/837d34_070c6b7a267d4b8f84a80628606c6e40.pdf?index=true
    • https://d8ec88ce-93b1-4b83-b294-7016fd5b5063.filesusr.com/ugd/366252_e476d965630c41958426a437013d9f4e.pdf?index=true
    • http://sajoveguduv.onlinewebshop.net/mipesilutuvumud.pdf
    • https://5f90d536-2a72-4461-adff-280afd3056cb.filesusr.com/ugd/27c394_fa56c1fbe3ab459ea6d0975b6b6c0268.pdf?index=true
    • https://aabf49e0-5477-4fd2-8456-a986ef8f2a87.filesusr.com/ugd/9e14ca_7004ba3807e74263b176ecb0c4a4cbdc.pdf?index=true
    • https://s3.amazonaws.com/wejuvono/much_ado_about_nothing_full_movie_online_free.pdf
    • https://45ed8376-e832-497f-ab20-0a31924dc5db.filesusr.com/ugd/4b7290_0f848fd0e8c44077bc5f7e8c653ddb87.pdf?index=true
    • https://s3.amazonaws.com/wizidimawag/49127362793.pdf
    • https://uploads.strikinglycdn.com/files/cb886337-4c55-4c72-844c-3fcb6b53bf4d/new_holland_455_sickle_bar_mower_parts_diagram.pdf
    • https://s3.amazonaws.com/xofalepelala/69236229316.pdf
    • https://s3.amazonaws.com/kufazete/48901101564.pdf
    • https://s3.amazonaws.com/xezonijida/2531726122.pdf
    • https://uploads.strikinglycdn.com/files/cfeca430-a540-46f3-a82a-caae2c89a62d/what_shows_are_on_us_netflix_not_in_australia.pdf
    • https://uploads.strikinglycdn.com/files/3f90c4f6-33d7-427a-beb9-fd5c4ea2868e/50826701583.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f3fb.bin
86e7285a862c3cec44a73f5778d8a36060b3075246e23c400bd7e01b1088108e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF3FB 5104 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.