Malicious PDF — malware analysis report

Static analysis result for SHA-256 72eb7b70a366851d…

MALICIOUS

PDF

87.8 KB Created: 2021-07-14 09:04:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: dd2dee822af732daaf6804771581aa2c SHA-1: 5392aaae90752f257e0bfc1ee5eced8e04197e16 SHA-256: 72eb7b70a366851d49323e62d97775b1cdb833b8da9b69f133b13d27422721e5
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains embedded URLs that likely lead to further malicious content or phishing sites. The presence of these indicators suggests the document is intended to deceive the user into executing a payload or revealing sensitive information.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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/pL_UGxDroB4/square?utm_term=my+dog+will+not+pee+outside
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ed3225f67381323ef4ffda/1626157605810/safas.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ec85926ad76c09749076ef/1626113426763/a_list_of_uncountable_nouns.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ee5b087c5bce1f334f0995/1626233608168/7_rmb_to_usd.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ec7ed8fd54eb0708255a9b/1626111704488/chain_of_craters_new_mexico.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e936441448b061984925c9/1625896516860/22377301420.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e916f7085b1c120f978ff4/1625888503643/99319517573.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60ee691c3753dc428c8afba7/1626237212134/taxevipagonevake.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60edacb003cb9e0b597a8079/1626188976782/sluice_gate_meaning.pdf
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60ede4697979814f85a906a7/1626203241371/11268898870.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ed901bc927da2a63fc8a23/1626181659435/anime_tagalog_dubbed_free_watch.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60edc1a87979814f85a4fa6a/1626194344963/12914379174.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ee127eab0cb8743be12d36/1626215038993/wagorimuvuruvafi.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ec968d478ebe26bfc7259a/1626117773949/85709551131.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e8e2d858c6623f037eab6a/1625875160304/31174749647.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_off0000f7be.bin
6385d0a6aec73029679cabbc3c3228d67396cca656befaf18d3eaddc8c0c39ef
pdf-font-stream PDF embedded font (sfnt) at offset 0xF7BE 10600 bytes
font_01_sfnt_off00010fe5.bin
db173a42d5fedb11bdbbb6e89fa40e6270caf52b36d5e231ede1d27abd526ff8
pdf-font-stream PDF embedded font (sfnt) at offset 0x10FE5 16440 bytes
font_02_sfnt_off00013aaf.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
pdf-font-stream PDF embedded font (sfnt) at offset 0x13AAF 16792 bytes