Malicious PDF — malware analysis report

Static analysis result for SHA-256 61858ee3779b3036…

MALICIOUS

PDF

75.0 KB Created: 2021-02-25 15:10:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: a7b9db8dc9858bfbff1be68cb05f648a SHA-1: 338d91c84760ade391ece2dd0cbe352668a9b917 SHA-256: 61858ee3779b3036ecc479f1bafb50f51073679b32181692ef7d0a7b1d513849
94 Risk Score

Malware Insights

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

The file is identified as malicious by multiple detection engines, including ClamAV and an ML classifier. It contains an embedded URI pointing to a suspicious domain, suggesting an attempt to redirect the user to a malicious site. The document body, though heavily obfuscated, contains text related to downloading music, likely a lure to disguise the malicious intent. No scripts were extracted, but the presence of external URIs and the overall detection profile indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9739

Heuristics 3

  • 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
  • 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://crophysi.ru/award?keyword=descargar+musica+gratis+para+celular+samsung+galaxy+ace PDF link annotation
    • http://tonedomopoja.scienceontheweb.net/19472031064.pdfIn PDF document text
    • https://poturifipejo.weebly.com/uploads/1/3/4/7/134767967/wajewikuwudapi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477892/normal_5fc799b36fe04.pdfIn PDF document text
    • http://pukiwed.iblogger.org/ferrari_f40_competizione.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449185/normal_5fe500c159205.pdfIn PDF document text
    • https://gozerezujokosas.weebly.com/uploads/1/3/4/8/134856803/363b329eae993.pdfIn PDF document text
    • http://jiwapadenejeza.getenjoyment.net/brandy_melville_near_me_georgia.pdfIn PDF document text
    • http://dudupikitum.iblogger.org/jumping_spider_names.pdfIn PDF document text
    • http://gakagebir.mypressonline.com/62826767448.pdfIn PDF document text
    • https://tasitonedilegu.weebly.com/uploads/1/3/5/3/135301248/210642b7610df6c.pdfIn PDF document text
    • https://firulasimasib.weebly.com/uploads/1/3/0/9/130969438/7714737.pdfIn PDF document text
    • https://murasujudadalox.weebly.com/uploads/1/3/5/3/135338307/gimutozis.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/mokamoba/58249721996.pdfIn PDF document text
    • https://s3.amazonaws.com/feliso/ribavaxokovoguwinise.pdfIn PDF document text
    • http://vunonam.atwebpages.com/don_juan_tenorio_resumen.pdfIn PDF document text
    • https://s3.amazonaws.com/xufujofaleki/3d_video_film.pdfIn PDF document text
    • http://gadexasumale.epizy.com/math_101.pdfIn PDF document text
    • https://s3.amazonaws.com/tigovatolis/pingdirectory_administration_guide.pdfIn PDF document text
    • http://sutexuvidag.myartsonline.com/lewafekufewimug.pdfIn PDF document text
    • http://pekesapawej.epizy.com/92266580984.pdfIn PDF document text
    • https://s3.amazonaws.com/babuxufarizuxur/comic_book_template_with_speech_bubbles.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_off0001024b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1024B 5196 bytes
SHA-256: 002dc834165c7a22dbc2f6a83016edd830ec8d0161524bd93ec3ddb5a124ffaa