Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8e6c464f1ce7264…

MALICIOUS

PDF

53.0 KB Created: 2020-09-01 11:00:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a59a4a6e019d3f638e548b96644c080 SHA-1: 923b47c45bc668972ae83f574bd2c7306150247e SHA-256: a8e6c464f1ce7264336e3c4a23c103d0ca131092c34ddb1db51e24ad1271274b
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a malicious redirector link and a link farm, indicating a lure to external malicious content. The presence of a 'download button' heuristic further supports the social engineering aspect. The document body, though heavily obfuscated, contains the malicious URL, suggesting the primary goal is to redirect the user to a compromised site.

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://ttraff.ru/wix?keyword=boy+names+meaning+god+answered
    • https://static.usrfiles
    • https://static.usrfiles.com/ugd/cc03df_f0cc413ea42e406fbb19700a5c5dc3ba.pdf
    • https://static.usrfiles.com/ugd/b8c837_54b90e902b8b4aa9ade104185c577f00.pdf
    • https://static.usrfiles.com/ugd/db93e9_d350b2cf023c402ba8e0fd9f0908ccc5.pdf
    • https://static.usrfiles.com/ugd/c1615c_4d00c51e4e0643628cdf4f1443c5e690.pdf
    • https://static.usrfiles.com/ugd/8e1900_33df19b7c84b404da8a9e4031a88e0a0.pdf
    • https://static.usrfiles.com/ugd/3b7182_632ce27f25d94ffd814de75665fa18a3.pdf
    • https://static.usrfiles.com/ugd/b8c837_e340b4e0341b4c08a2f918c0e687e228.pdf
    • https://static.usrfiles.com/ugd/b8c837_2f4f8c30bc434cc4970cbe52abca9738.pdf
    • https://static.usrfiles.com/ugd/b8c837_fc25af426ad04839a74d89c065067bb3.pdf
    • https://cdn.shopify.com/s/files/1/0428/2312/3100/files/kebox.pdf
    • https://cdn.shopify.com/s/files/1/0431/4831/2730/files/ectaco_partner_p900_manual.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/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008504.bin
2d2a481f4a6f4962e5ae5c20d89858012158242e2758a1913d2cc26d8f01dd72		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8504 5064 bytes
font_01_sfnt_off00009625.bin
d1949b206ecdd0aaee4a38c533367a33445a9b78d1b450fac3d18a69da779de7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9625 10248 bytes
font_02_sfnt_off0000b925.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB925 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.