Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0d453fbf3e87337…

MALICIOUS

PDF

99.7 KB Created: 2021-07-22 00:24:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 72b32032df07547e8663b9980742aa58 SHA-1: e2b4bd9119941aee3d8ff12c90faedf55fae4def SHA-256: e0d453fbf3e873378480e5dc1cec302ea6315acc6d5bc0c33d73fd9195dfdbfb
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and was flagged by ML classifiers and ClamAV as malicious. The presence of external URIs suggests an attempt to redirect the user to a potentially malicious site. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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=journey+back+to+christmas+full+movie
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f09a281e90cb6e1831ffe2/1626380840483/section_9_of_the_noise_control_regulations.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f3ee6cdeec5816203555f7/1626599021240/rotavavoguzopiwopobufus.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f43d299c7c9f0ea9a2ed42/1626619177859/datofafux.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f5e30ff2bba52d3281c76a/1626727183548/starry_night_poetry.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f14ecbc825a553dff69165/1626427084350/how_do_you_play_a_didgeridoo.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e8d06d7b6862240d096993/1625870445186/dixatejijinijepafedixo.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f05b51bb93af6acac3f894/1626364753635/quadratic_solve_by_factoring.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f6a646cd4b580eb8483d5b/1626777158644/44956380078.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f2ef3522602c08caeb02ce/1626533685987/elements_and_their_atomic_number.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f5fd9e47b9fc466d942dba/1626733982668/93944479964.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e8462d8d23a90293b188fc/1625835053077/interior_angles_of_a_polygon_worksheet.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60ec91f8e7718717d7632f37/1626116601050/what_is_the_correct_order_for_the_marvel_movies.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f89004bfcf5919e9538420/1626902532566/sesejujimojekidebivinesev.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f0100938a0fc3ca969540d/1626345482043/22309609343.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ee5ee87d49fb55d62999a8/1626234600394/power_plant_engineering_book_by_r_yadav_download.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f88f881c69b90b7a7a625b/1626902409016/xefatomuvini.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f1f172c3951174706c981d/1626468722661/most_wanted_black_edition_cheats.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60e8fb430a287971af9872e0/1625881411868/duzotafikavujofed.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ed56100124a666ff42f13e/1626166800302/sovabiwarimos.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e8835c8454a77d57b8ce21/1625850716754/xidokixabizeke.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f535070b1749089223f546/1626682632047/63407161642.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_off00012325.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12325 16792 bytes
font_01_sfnt_off00013b3c.bin
a01811990d0c7d8aa0c8d0d813c8582c52d0da21d2190b3c1d4af47a0ae505af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13B3C 11104 bytes
font_02_sfnt_off000154fb.bin
c5cccfb60e90e3f1d294025a0a84dc45354c85bfad29ae73cfa8073550c24a0b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x154FB 16980 bytes

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