Malicious PDF — malware analysis report

Static analysis result for SHA-256 be9822295e50abff…

MALICIOUS

PDF

42.4 KB Created: 2020-09-09 09:48:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 702a8f6a5009a1adfce1a66fee031fc7 SHA-1: e9943586070944edb64d4ba97450cb5188d69a1b SHA-256: be9822295e50abff05b1d2da9469bce42afaece3e57c846afa8396ea2fdc5f6a
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a PDF link farm. One of these links, 'https://ttraff.me/wix?keyword=men%2527+s+shopping+guide+london', points to a known malicious redirector. This suggests the document's primary purpose is to lure users to malicious sites, likely for phishing or to download further malware.

Heuristics 3

  • 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.
  • 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.me/wix?keyword=men%2527+s+shopping+guide+london
    • https://cdn.shopify.com/s/files/1/0428/7732/1379/files/84559015961.pdf
    • https://cdn.shopify.com/s/files/1/0431/6990/6854/files/kudumilus.pdf
    • https://cdn.shopify.com/s/files/1/0461/5431/7987/files/konami_football_games_apk.pdf
    • https://cdn.shopify.com/s/files/1/0429/5468/6617/files/mossberg_top_folding_stock.pdf
    • https://cdn.shopify.com/s/files/1/0435/7645/9422/files/conversion_kilobytes_to_mb.pdf
    • https://cdn.shopify.com/s/files/1/0431/2114/8061/files/gexejutew.pdf
    • https://cdn.shopify.com/s/files/1/0433/6589/2245/files/bactrack_c6_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/boguxexu.pdf
    • https://static.usrfiles.com/ugd/0f9ef0_2674cb0dee0848dc8b197ede255d8bce.pdf
    • https://static.usrfiles.com/ugd/4d935e_3d1d1d7931554266ae371963d00a9eb5.pdf
    • https://static.usrfiles.com/ugd/4a6c57_c5d1e210c0bd48b6ba5fec20f0fb44f4.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_off00006956.bin
1840eb91fd61fecd83dc9c062386235833b3d347229bc004529881e8fd4070f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6956 4952 bytes
font_01_sfnt_off00007a43.bin
24ce0a4795690dfa89717b11c50e348a35b954f89a36e32e86ce4021b3e8862d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A43 10332 bytes

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