Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e19de56e3f13993…

MALICIOUS

PDF

82.0 KB Created: 2021-07-14 06:49:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 969c80245ba8178620e1b055a3f84243 SHA-1: 08a88de89a0f0dd0eef7448d5543f476bf538230 SHA-256: 8e19de56e3f13993e86345e41940cf26f03cc7ba5885ef54b7e17c930c6bda9b
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 attempt. The embedded URL points to a resource that likely serves malicious content or redirects to a phishing site. No scripts were extracted, but the presence of embedded URLs and the overall detection suggest a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5948

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/~3/4aHNpQc2m6I/square?utm_term=i+can+see+by+the+look+in+your+eyes
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60e7c9ee81ab8d1aa9de571e/1625803247052/visual_basic_is_an_event_driven_programming_language.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60edb0f0dfc7900eec34447f/1626190065059/pezaxobode.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e878b833c3d3411a9868e6/1625847992490/1543651108.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e7f995ba333063f1799c3f/1625815445757/health_affirmations_that_work.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e7789a3541515a6003fdae/1625782426367/difference_between_hardware_and_software_download.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cdbb.bin
ce0ccd5c0233b092bd882b3b509579357df9deab9407a011280398fcd4195a42		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCDBB 10724 bytes
font_01_sfnt_off0000e657.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE657 16792 bytes
font_02_sfnt_off0000fe64.bin
6627e99efbf009ca946140c83f584a5e1bcd4ba759f33fd01ace959b75cc9cad		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFE64 3692 bytes
font_03_sfnt_off00010d0d.bin
1ebdfd5bd7a35591c1451df5d5a3369349455d3d37b319830d7f9f29b0939fdf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10D0D 17028 bytes

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