Malicious PDF — malware analysis report

Static analysis result for SHA-256 bde0bceead094a67…

MALICIOUS

PDF

84.8 KB Created: 2021-07-19 01:37:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 9c809ea6242c5eec713476d527cdc309 SHA-1: 6f042f2ef7fd03fc65f4b75939c493c041285bb0 SHA-256: bde0bceead094a677a6968423b85d6d28da695fed0419396afc46eb93a7cdcde
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains embedded URLs, one of which is `https://feedproxy.google.com/~r/sq/ugae/~3/X6hrLWyzjlw/square?utm_term=life+path+9+and+11+compatibility`, suggesting a phishing or redirection attempt. No scripts were extracted, but the presence of embedded URLs and the overall detection profile points to a malicious document designed to lead users to harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9987

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/sq/ugae/~3/X6hrLWyzjlw/square?utm_term=life+path+9+and+11+compatibility
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f273311d3507074215d71f/1626501937854/fooled_once_quotes.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f22c319c57c249392fb96b/1626483761582/gilare.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60ee33660981f36585a15924/1626223462611/long_haired_cat_tail.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f0bdb7db86a67d857c5020/1626389944038/jujaregitodogepabusaxeka.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f4a77727519501fc20adb6/1626646392003/20900778232.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60efe65334f25751eec0f17f/1626334803729/betting_on_the_world_snooker_championship.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e937b12210ba6bce12e75f/1625896881595/chatrapathi_audio_songs_downloading.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f3cd47aba5f52989adbd7a/1626590535849/25277748651.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec92a680388a1034d84ec8/1626116775382/43888469872.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e8c19f684b4e19c9c5dd60/1625866655952/pujevuxexokimufa.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e78fb4ce8457037ede59e9/1625788340531/30476346269.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e7e396f29cd6423db4bb07/1625809814240/wipitubexe.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_off0000eb42.bin
86e2eb1fff458b73dafc5efadb2820aee2435ec34eb19982b12fe7f527b49e05		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEB42 11048 bytes
font_01_sfnt_off0001049d.bin
3397026ddc0fda978662ae33619dd164440f5968ab6512c506bef83ad6da54e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1049D 16328 bytes
font_02_sfnt_off00012eb7.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12EB7 16792 bytes

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