Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcf2b5150c054d3a…

MALICIOUS

PDF

38.0 KB Created: 2020-08-19 00:38:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1e10105fc6b73380c13b7a98a17a1473 SHA-1: 6f5b4e3466caff078704099377847f3f1074c78b SHA-256: fcf2b5150c054d3a463d7d0db16410ceba2881d88673785175a93a746a3fde19
128 Risk Score

Malware Insights

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

The PDF contains a link disguised as a 'Dubai metro map pdf free' which redirects to a known malicious URL. The PDF also contains a link farm pointing to multiple external PDFs, likely for SEO manipulation to increase visibility. The presence of a visual download button further supports the lure.

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/pify?keyword=dubai+metro+map+pdf+free
    • http://files.teafor7.com/uploads/1/3/0/7/130775232/rujojuwisizobekep.pdf
    • http://files.raserabwehr.de/uploads/1/3/0/8/130813799/vapinaw-nezavewakupiner-derixifat-konuj.pdf
    • http://files.coachingandcounsellingottawa.com/uploads/1/3/2/6/132682171/a7c809e31ec35b.pdf
    • https://cdn.shopify.com/s/files/1/0436/1755/0499/files/fuxewirukedi.pdf
    • https://cdn.shopify.com/s/files/1/0430/3169/1421/files/25312110434.pdf
    • https://cdn.shopify.com/s/files/1/0435/6803/8049/files/81201558926.pdf
    • https://cdn.shopify.com/s/files/1/0437/3417/1800/files/whats_cloud_formation.pdf
    • https://cdn.shopify.com/s/files/1/0432/3803/1518/files/31801146429.pdf
    • https://cdn.shopify.com/s/files/1/0433/3164/9689/files/24369051138.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/setixinojed.pdf
    • https://cdn.shopify.com/s/files/1/0431/9982/4032/files/57557949118.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_off00005785.bin
b1e8e1970464421b27de987677e5221bf923d81f5338438c67ba9825675c108c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5785 5116 bytes
font_01_sfnt_off000068d3.bin
b6d8ba3ad3e48ed831de6e36a34db0982bb5aa0c3b3bf1ea054431dd96b9516c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68D3 10224 bytes

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