Malicious PDF — malware analysis report

Static analysis result for SHA-256 e34cea82d3b63ee2…

MALICIOUS

PDF

80.9 KB Created: 2021-03-03 07:45:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: f54c6b22f8291a3f4ad27c5ae34680c8 SHA-1: 9f049ab67072402851cdc841a64cb3fba3586dde SHA-256: e34cea82d3b63ee27c813f9f3def928ddfd9e7dc17bcd5443411ac6f675dafc3
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 a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, suggests a lure related to dietary information, which is a common tactic for phishing or malware delivery.

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://dugedepap.ru/wb?keyword=list%20of%20foods%20vegetarians%20can PDF link annotation
    • https://cdn.sqhk.co/toxinize/igL8Bji/dead_space_apk_obb_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/melukate/iaijlm3/child_care_aware_mn.pdfIn PDF document text
    • https://cdn.sqhk.co/torujazelome/jc8C7id/tojemumugesodujejuromo.pdfIn PDF document text
    • https://cdn.sqhk.co/gujadozede/dr3AigR/vevapim.pdfIn PDF document text
    • https://cdn.sqhk.co/kasunelebak/iCFh11F/80s_music_collection_cd.pdfIn PDF document text
    • https://cdn.sqhk.co/mugegiduveb/2hikAUY/gg_toolbox_for_terraria_mod_apk_download.pdfIn PDF document text
    • https://cdn.sqhk.co/rufigukuj/RLbvNCA/winevononalemizuvofidig.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wupewovixiroz.rf.gd/80835018944.pdfIn PDF document text
    • https://s3.amazonaws.com/temujonuwu/46690203596.pdfIn PDF document text
    • http://mepaduk.rf.gd/assetto_corsa_urd_dtm_mod.pdfIn PDF document text
    • http://mafasegu.epizy.com/google_play_games_old_apk.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_off0000ffd8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFD8 5192 bytes
SHA-256: a9217749519fff562e4c510e70de46803d8a652f33a40935ed1f535c9ffc97b7
font_01_sfnt_off000111a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x111A6 10860 bytes
SHA-256: ff8c2ea3109486e05696e9fcaff92baf6b92f5af32d5862f1bf71ec90cb891c6

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