Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3683c1f3aac3e68…

MALICIOUS

PDF

62.3 KB Created: 2021-03-22 03:01:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-26
MD5: c8f4817bf14945c6eab946dca076931a SHA-1: 224d2795715294cb373e2f2e3ac1a45746dddb20 SHA-256: e3683c1f3aac3e684d8fc52020579bde06690f2361f9df8ec2cd66e434d58413
124 Risk Score

Malware Insights

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

The PDF file contains numerous embedded URLs, many of which point to disposable domains and are flagged as part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and numerous external links suggest it's designed to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9643

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://botokaw.ru/award?keyword=social+media+vocabulary+list+pdf PDF link annotation
    • https://cdn.sqhk.co/fomezawelud/jfjbAwt/67142392820.pdfIn PDF document text
    • http://laxana.ru/bozipakuzam7npn.pdfIn PDF document text
    • http://giveaway2020.info/pudupewat5s8ub.pdfIn PDF document text
    • https://cdn.sqhk.co/forexajepusa/ggjcTXC/happy_wheels_2_game_full_version.pdfIn PDF document text
    • https://vukuwapebu.weebly.com/uploads/1/3/5/3/135310377/sadufewunug-wekasiwis-ririwol.pdfIn PDF document text
    • http://copyrightviolationcenters.com/martin_luther_king_jr_i_have_a_dream_speech_explainedllh2o.pdfIn PDF document text
    • https://cdn.sqhk.co/zebimapajod/gdHibie/movies_near_me_regal_rockville.pdfIn PDF document text
    • http://obzorov.site/586607595442aar1.pdfIn PDF document text
    • https://sigajijatikad.weebly.com/uploads/1/3/1/3/131379485/tozut_modiduxugesu_tavonelige_xewiwebit.pdfIn PDF document text
    • http://xakovakaxevasul.22web.org/75029021923.pdfIn PDF document text
    • http://rezotu.xyz/nelson_pediatrics_onlinet2z07.pdfIn PDF document text
    • http://domen3.club/tu_eres_digno_de_gloria_acordes_pianon2xr3.pdfIn PDF document text
    • http://yozi.store/twilight_graphic_novel_characterszg1gr.pdfIn PDF document text
    • http://egosikenclub.com/zobekusixa18uqe.pdfIn PDF document text
    • https://bovojopo.weebly.com/uploads/1/3/2/3/132302970/sojakejij-podoxuvip.pdfIn PDF document text
    • https://cdn.sqhk.co/vizelupavew/jhe28CK/ally_smash_bros.pdfIn PDF document text
    • http://jurelireroxux.22web.org/twilight_breaking_dawn_part_2_movie_summary.pdfIn PDF document text
    • https://guxaniwirivud.weebly.com/uploads/1/3/4/7/134736027/moxevibagomakadovuku.pdfIn PDF document text
    • http://lnstagramverifiedsbadgesforms.com/download_zombie_hq_apkpuremidfq.pdfIn PDF document text
    • https://xuwazoleludike.weebly.com/uploads/1/3/4/3/134325396/22c0b3cf0a69.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pitugozuput.epizy.com/isaimini_tamil_album_songs_2017.pdfIn PDF document text
    • http://fojemagiro.rf.gd/28334385953.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dc80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC80 5708 bytes
SHA-256: ff569009ffe09a0802897804405ede7cf9e56fa92f78a375361885d1215d7355

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