Malicious PDF — malware analysis report

Static analysis result for SHA-256 6069deab5ebaf619…

MALICIOUS

PDF

84.8 KB Created: 2021-07-14 09:23:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: c010f67344fe33ff6aa7a79df961f76f SHA-1: 326f9dbf22939057b429996b3ff2b2643ccdbdf1 SHA-256: 6069deab5ebaf619f05b895835f8880e7bf74d1751925b784c2e22142717af56
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV and an ML classifier. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document's intent to trick users into handling a password-protected archive, a common tactic to evade initial scanning. The embedded URL points to a suspicious domain, suggesting a potential download or redirection to a malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8083

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://synerhu.ru/square?utm_term=oracle+10g+express+edition+tutorial+pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e94218c91b61347ea4a72f/1625899544606/beauty_and_the_beast_brothers_grimm.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e9087f025aa46e30d1bcbb/1625884799486/37402269117.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e7841314f92133d16efcc5/1625785363260/the_perks_of_being.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec7e38a1f8f93f64ab4b20/1626111544771/22544303617.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e8c6492b8982254c497cab/1625867849249/12th_commerce_digest_download_2020.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_off0000e8e8.bin
70c93c505f7320ef755404385917c4306d1b0db586e7d3016d8f7832eb6af0c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE8E8 16828 bytes
font_01_sfnt_off000114de.bin
7347c11865299052dfa657b57716ef02b712b05e49fafd93bf755c750040c981		 pdf-font-stream PDF embedded font (sfnt) at offset 0x114DE 11196 bytes
font_02_sfnt_off00012f0f.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12F0F 16792 bytes

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