Malicious PDF — malware analysis report

Static analysis result for SHA-256 e55c8f5d36e5fa28…

MALICIOUS

PDF

76.1 KB Created: 2021-07-16 01:20:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 13202a432fdeaa6fb3febaf863f73f24 SHA-1: ae614b5d32e669e44b5238c80031ee85fcb13001 SHA-256: e55c8f5d36e5fa28cf36380146ae199df2c39902a5979195b54c603eca3d8ec6
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document flagged by ClamAV as 'Pdf.Phishing.Trojan'. It contains an embedded URL that, when followed, leads to content related to a 'GTA 5 money glitch', a common lure for phishing or scam attempts. While no scripts were directly extracted, the presence of a malicious PDF classification and a deceptive URL strongly suggests a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7788

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://feedproxy.google.com/~r/razvivatel/yapz/~3/UZrB20b2Dcg/square?utm_term=gta+5+money+glitch+ps4+story+mode+phone+number
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec93f0831aaf5e928b9f1c/1626117104960/learn_to_write_dax_download.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60f0a4d1247c7e0f02642071/1626383569427/download_novel_my_ghost.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e8034646a8e17713e64825/1625817926881/how_to_upgrade_residential_buildings_in_simcity.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://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c4ea.bin
8ea0700db674d97a675aad8b30b42bf0c899332f4a5ee1bc114673f4e220ad14		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC4EA 11564 bytes
font_01_sfnt_off0000dfd3.bin
5de51436d2b61aad3dfaaf1db9a09acd21a1d99236d7ad01e201eb302f7d75dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDFD3 17020 bytes
font_02_sfnt_off00010c3e.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10C3E 16792 bytes

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