Malicious PDF — malware analysis report

Static analysis result for SHA-256 e225b07b1750b1e2…

MALICIOUS

PDF

61.7 KB Created: 2020-08-20 21:10:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cfcd3326d9257e66d68d3b3fc2cd2505 SHA-1: e6cda340a0f35f70d3414eda968e9a972367e87b SHA-256: e225b07b1750b1e2e3df664748ea8792ec67f5bb027da336f6afd41450b2944f
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a link that redirects to a known malicious domain, likely as part of a phishing or malware distribution scheme. The document body and heuristics indicate a lure for free movie downloads, aiming to trick users into clicking the malicious link. The presence of a link farm further suggests an attempt to manipulate search engine results or distribute content broadly.

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.com/pify?keyword=new+movies+2018+free++utorrent
    • http://files.friendsofbarrenriverlake.org/uploads/1/3/0/8/130873864/9196673.pdf
    • http://files.bernardramsdale.com/uploads/1/3/1/4/131453194/tusaweg-wudip-saredeso.pdf
    • https://cdn.shopify.com/s/files/1/0437/0120/7193/files/18845022709.pdf
    • https://cdn.shopify.com/s/files/1/0432/3993/2064/files/31202645108.pdf
    • https://cdn.shopify.com/s/files/1/0430/8893/7120/files/viwefebanup.pdf
    • https://cdn.shopify.com/s/files/1/0431/3477/9553/files/kogudul.pdf
    • https://cdn.shopify.com/s/files/1/0436/0772/0094/files/59156130453.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovovowegafakaroseras.pdf
    • https://cdn.shopify.com/s/files/1/0429/9007/6067/files/25290463194.pdf
    • https://cdn.shopify.com/s/files/1/0434/8100/6244/files/da_form_4187_fillable.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b324.bin
fdc43d04f035364b3a3ca6d8b22f279ea4827d6677340a7440aacca31739e9f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB324 5312 bytes
font_01_sfnt_off0000c54c.bin
0e56f98856ad4b5bc1b952e02424967e4a5393cd9820dd53f346ba9f9cc83b44		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC54C 10712 bytes

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