Malicious PDF — malware analysis report

Static analysis result for SHA-256 b40a0bd098eaadb3…

MALICIOUS

PDF

81.6 KB Created: 2021-07-12 23:58:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: b52230e84b65018626e2059363c352ba SHA-1: 7263812e6657195a4234d9adef9bde929ed2b042 SHA-256: b40a0bd098eaadb324e6a638720e5bc1e98cab69625cdd99c6e7759312d78bd5
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains embedded URLs, one of which is flagged as potentially malicious, suggesting an attempt to redirect the user to a harmful site. The PDF structure and embedded content are consistent with a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8440

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://feedproxy.google.com/~r/razvivatel/yapz/~3/NsX9ihectO0/square?utm_term=sharp+headache+on+right+side+of+head
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e8b10b907d990d105078de/1625862411295/led_down_the_garden_path.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ec8fcf243eac6055cfc814/1626116047951/korofubigiwinasemanakine.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ec9a07f83a7f26ecd29c94/1626118663151/thevenin_and_norton_theorem_solved_problems.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e855176d3b0f067e3449c7/1625838871630/performance_review_answers_sample.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e7f3e4bab0621613396060/1625813988616/94307628400.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec94587dc7460dd09c30d9/1626117208459/gogenejatuwazigofatimuza.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_off0000dc9d.bin
c7a74096aeae6ede44bbb9955502aca3f82848d855016a24da01d8d87f08f36f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDC9D 10928 bytes
font_01_sfnt_off0000f5a1.bin
99210bbf201e603a706a2f1a07c25237bc701e344d929379a5ddcfe578ef83b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF5A1 17104 bytes
font_02_sfnt_off0001226c.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1226C 16792 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.