Malicious PDF — malware analysis report

Static analysis result for SHA-256 3becf80005bec375…

MALICIOUS

PDF

69.0 KB Created: 2021-05-01 15:20:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 43d0e27f3d96bf23df66ef2611a529aa SHA-1: a1829b1c611d1649b850f4d951bd36170e37f87c SHA-256: 3becf80005bec3752b73b36443aeebca8f601fc1e481ddb4b65c7de7139c279a
96 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document body contains text that appears to be a lure, referencing a 'Compilation report 2018', and the PDF contains multiple embedded URLs pointing to potentially malicious content. The presence of embedded URLs suggests an attempt to redirect the user to a malicious site, likely 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://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/380f06deb962a87dd34306feb5cf9463/30337336495.pdf
    • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/coe8t4f4n3irssvbap9bagpel5/16782002855.pdf
    • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fcc32e6266---puxasame.pdf
    • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c452b2e251---negijavepu.pdf
    • https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/dc52add4720eaf8826860c7beb965eb9/lusezovisawisirum.pdf
    • https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/e92698d0b63bdea69fbeaa35a311dc4b/dutoxav.pdf
    • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ffbe6bb8e0---zorexonakulufimaxonuzezum.pdf
    • http://alpha-th.com/userfiles/file/77218068453.pdf
    • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/ed47b51d26c255a806c26d13ad9fa695/24645786539.pdf
    • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075f90fcd020---galegamejelivuzos.pdf
    • http://guides2alpes.fr/uploads/file/magazovobowojojizunaxepa.pdf
    • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a0a01f00a6---34399559118.pdf
    • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d443f0bc2e---kifuzuvaferuri.pdf
    • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/7hoijct5cbk3ceu0g4tjis704c/63996984638.pdf
    • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/d14aadf043b7d6a8e988e3ca453b491c/24622861246.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=compilation+report+2018
    • 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_off0000d1ab.bin
f1f7e77d0a9519d550bcd33b9dfbd019bf131bb4ed6b06b2da7809eb49cc90df		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD1AB 5212 bytes
font_01_sfnt_off0000e343.bin
32b7ca1089d40bf26f76c1ae7e17ee8d110e5ef7896fc2c4af51586b2d332fd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE343 9932 bytes

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