PDF static analysis report

Static analysis result for SHA-256 d576d25e41fc0552…

CLEAN

PDF

154.5 KB Created: ¬7®O1t÷ó³çR 7€ãK<‹'Tí Authoring application: (ár° l.ª ¯µ } (via ×HÜqdÿï°øR!%œ¬{•s×®PЧ) First seen: 2019-01-20
MD5: 445323d29ddb41491122e43154fed022 SHA-1: bf6b1ef4f2a57a78c91c554f5cdbe42943b0969b SHA-256: d576d25e41fc05521d0f3bbe6104773c567671556594ea91702af380caf24c30
24 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF is encrypted, preventing deeper static analysis of its contents. However, a heuristic indicates it is an image-only document with an action trigger, typical of a phishing lure. The embedded action is a URI link, which is likely malicious and intended to redirect the user to a phishing site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0005

Heuristics 3

  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 2 image(s), only 0 text block(s), carries a click-outward action, and is only 154 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • Encrypted PDF (string and stream contents are opaque to static scan) info PDF_ENCRYPTED
    PDF declares /Encrypt — string objects and stream contents are encrypted with the standard security handler (RC4 or AES). On its own this is informational; legitimate encrypted documents include signed contracts, billing statements, and rights-managed material. Static heuristics cannot inspect encrypted payload bytes.
  • 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 http://www.monotype.comMonotype In PDF document text
    • http://www.monotype.com/html/mtname/ms_arial.htmlhttp://www.monotype.com/html/mtname/ms_welcome.htmlhttp://www.monotype.com/html/type/license.htmlIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text
    • http://crl.microsoft.com/pki/crl/products/MicrosoftTimeStampPCA.crl0XIn PDF document text
    • http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0In PDF document text
    • http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl0aIn PDF document text
    • http://www.microsoft.com/pkiops/certs/MicCodSigPCA2011_2011-07-08.crt0In PDF document text
    • http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0TIn PDF document text
    • http://www.microsoft.com/pki/certs/MicrosoftRootCert.crt0In PDF document text
    • http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl0^In PDF document text
    • http://www.microsoft.com/pki/certs/MicRooCerAut2011_2011_03_22.crt0��In PDF document text
    • http://www.microsoft.com/pkiops/docs/primarycps.htm0@In PDF document text
    • http://www.microsoft.com/TypographyIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_011_off0001796f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1796F 45832 bytes
SHA-256: 389e8e10e35c7a7dab447f7af293c0a1a44782d093f6ccf4b5b0196e718f7e5d
font_00_sfnt_off000038b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38B6 367024 bytes
SHA-256: 82653f843cafea1f7595d7528d684c078fd60f67a3aebf84eb7d18f08a65086e

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