Malicious PDF — malware analysis report

Static analysis result for SHA-256 fefdd20160ea54e4…

MALICIOUS

PDF

73.4 KB Created: 2021-01-21 05:42:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 77f8fcbd7e4532d52cba75cba211ebfe SHA-1: fa9754d9fc49c3587ece07f576fc9f0ebf4a836d SHA-256: fefdd20160ea54e44fc9f25bf253c1b9d28ef03b2eabb1e76c7b1649980cd7d5
96 Risk Score

Malware Insights

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

The file is a PDF document flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier. It contains an embedded URI pointing to 'https://baarspo.ru/123?utm_term=razor+edge+pitbull+weight', which is likely a phishing or malware distribution lure. The document body content is heavily obfuscated and unreadable, but the presence of the malicious URL and the strong heuristic detections indicate a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://baarspo.ru/123?utm_term=razor+edge+pitbull+weight PDF link annotation
    • https://site-1178280.mozfiles.com/files/1178280/8843158116.pdfIn PDF document text
    • https://jumegelizo.weebly.com/uploads/1/3/4/7/134712838/5457240.pdfIn PDF document text
    • https://gurosutu.weebly.com/uploads/1/3/2/3/132303194/2640580.pdfIn PDF document text
    • https://demuxovepeb.weebly.com/uploads/1/3/4/3/134311881/gawevotadovego_limajebuvaja.pdfIn PDF document text
    • https://tekemuwuva.weebly.com/uploads/1/3/0/7/130775778/kebuzibopuwulez.pdfIn PDF document text
    • https://site-1171649.mozfiles.com/files/1171649/zenobazupef.pdfIn PDF document text
    • https://lurevovikofa.weebly.com/uploads/1/3/4/6/134693735/113ce730b.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vumafovixono.rf.gd/esi_accident_report_form_12_in_excel.pdfIn PDF document text
    • http://toramowajo.epizy.com/bluestacks_apk_handler.pdfIn PDF document text
    • https://s3.amazonaws.com/jobavo/blanka_lipiska_chomikuj.pdfIn PDF document text
    • https://s3.amazonaws.com/kezemiradigu/pofuroxoki.pdfIn PDF document text
    • http://sibijexobesu.epizy.com/telugu_break_up_songs_naa_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/genedonapubefe/annadata_bengali_movie_songs.pdfIn PDF document text
    • http://fopagozijudiri.epizy.com/uc_browser_themes_for_pc.pdfIn PDF document text
    • http://rovunebezub.epizy.com/rstudio_cheatsheet_dplyr.pdfIn PDF document text
    • https://s3.amazonaws.com/tesotiwapax/barco_clickshare_cs-_100_setup_guide.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e0dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0DD 5332 bytes
SHA-256: 0a313612be06d4eb55458d0bb9851d4743583c3c0f63501dcf6f5a5723e113f8
font_01_sfnt_off0000f30f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF30F 11216 bytes
SHA-256: 767aea07bf5d2b972f3abfca0d5de3bdc617270cdd6e08103137dfefd8f72c2d

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