Malicious PDF — malware analysis report

Static analysis result for SHA-256 3fcdd892bd29d0be…

MALICIOUS

PDF

70.7 KB Created: 2021-02-27 03:04:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 68e622a3174a63314826e9ffe6bc38e4 SHA-1: b6747e7c8fa7528ecbf4ab8dea97d2ad863cbe22 SHA-256: 3fcdd892bd29d0be9df20db94d17e0dd966da00a67c177865cf7b599970b804c
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that redirects to a malicious domain, likely intended to deliver a phishing or malware payload. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to trick users into visiting a compromised site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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://mezovuduw.ru/wix?keyword=yada+backup+camera+replacement+parts
    • http://jozipuvuwuzaj.mywebcommunity.org/91612355467.pdf
    • https://cdn.sqhk.co/tipefimex/gggdPjf/sugevukuwezipizogikix.pdf
    • http://tuguxanofa.iblogger.org/33010053109.pdf
    • http://zonerokemub.getenjoyment.net/pazomijikarupa.pdf
    • http://mojenisijita.mywebcommunity.org/12861203137.pdf
    • http://mikakovakoj.iblogger.org/graphing_linear_inequalities_practice_worksheet_answers.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fabodatutowew.epizy.com/samsung_rugby_3_a997_gsm_unlocked_rugged_flip_phone.pdf
    • http://wipapirub.epizy.com/70090580076.pdf
    • https://s3.amazonaws.com/vavabi/salesforce_lightning_experience_readiness_report.pdf
    • https://s3.amazonaws.com/silubebebefuju/pitujavubofer.pdf
    • http://tutunod.epizy.com/nonaxatolipe.pdf
    • http://boragilaz.rf.gd/autocad_command_panel_disappeared.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d8b0.bin
ab9b6cf57602d22f0866815873d0299ab9b49d9b3e7d2917697b8202c9cb0d59		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD8B0 5384 bytes
font_01_sfnt_off0000eae5.bin
f44e0205da259d1525900c340e494df158f52909b566d67f2d14cc41e4418e5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEAE5 10268 bytes

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