Malicious PDF — malware analysis report

Static analysis result for SHA-256 7407040cf10fc7de…

MALICIOUS

PDF

102.3 KB Created: 2021-02-24 19:02:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 699170a59ab4c894d77e16646be00578 SHA-1: 78ccd8c4e7ef2013c3c42df95e15672d3c54895c SHA-256: 7407040cf10fc7de04b828bc55182dfeffdc61391122e1c0492d98d44ed30ac1
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL points to a domain associated with phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it is designed to trick users into visiting a malicious site, likely for further exploitation.

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://leonvi.ru/wix?keyword=sephirot+extreme+text+guide
    • https://pajotesose.weebly.com/uploads/1/3/2/6/132681045/a650efb15897.pdf
    • http://lg-copyrightforms.com/27534489856wqtnw.pdf
    • http://llloooodddd.space/guideone_mutual_insurance_company_claims5oo50.pdf
    • http://jiwapadenejeza.getenjoyment.net/bitcoin_price_today.pdf
    • http://daddytestit.xyz/wimipetepor3i89y.pdf
    • http://techanomic.com/chilly_gonzales_re_introduction_etudeshhqr4.pdf
    • http://armlur.space/vajojulanomemumebqux1l.pdf
    • https://wezenazuzive.weebly.com/uploads/1/3/4/7/134764498/vesejizotozenuz_golememevise_gedomoxuto_dopawejazol.pdf
    • http://yognat.space/52674999368p7ri0.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://duvasupe.epizy.com/manual_renault_megane_coupe_cabriolet_2008.pdf
    • https://s3.amazonaws.com/fefurorobumi/21282008187.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_off00015271.bin
33e825478ea21ba50b1a68b3b2e45170bc1285ed90281f3d28ed129cb0efcad6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15271 5124 bytes
font_01_sfnt_off000163bd.bin
1cb43e33f6504e2992485d6ffb98e65fa4d1fcc01862463a40781c38f48ed540		 pdf-font-stream PDF embedded font (sfnt) at offset 0x163BD 12752 bytes

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