Malicious PDF — malware analysis report

Static analysis result for SHA-256 27033ae1af600dc1…

MALICIOUS

PDF

40.1 KB Created: 2020-09-01 02:36:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4449f85d8c3de8e62e8e92890d159295 SHA-1: 7b0786d7068b44adc4b0605bd1a190291fb569de SHA-256: 27033ae1af600dc19aaedeba2399820f28456a5f4df935c5dd89b0bd5450a156
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, which is disguised as a baseball card checklist. This suggests a phishing or malware distribution attempt. The PDF also contains a large number of external links, indicating a potential SEO spam or link farm tactic. No scripts were extracted from this sample.

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.com/wix?keyword=baseball+card+checklist+excel+spreadsheet
    • https://static.usrfiles.com/ugd/3f80ec_47e8b7542d614ef08b1126dda4c5a66f.pdf
    • https://static.usrfiles.com/ugd/fd3290_f21b6488bc9f44638e8e3ac2e53dc1f8.pdf
    • https://static.usrfiles.com/ugd/b8c837_2be55c7e8b444c1fa019757a913632e9.pdf
    • https://cdn.shopify.com/s/files/1/0434/4070/1606/files/kawefatu.pdf
    • https://static.usrfiles.com/ugd/a4e402_6b74b89a1842498388f8efbd8da42d0f.pdf
    • https://static.usrfiles.com/ugd/b8c837_f7378adc4b584a5d90ec85cc30d9aa8b.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexidemunuviviradepinitim.pdf
    • https://cdn.shopify.com/s/files/1/0429/8270/3257/files/adeptus_titanicus_mega.pdf
    • https://cdn.shopify.com/s/files/1/0431/5742/2229/files/zegoxijutolewajudewotu.pdf
    • https://cdn.shopify.com/s/files/1/0434/5433/3093/files/32137123898.pdf
    • https://cdn.shopify.com/s/files/1/0440/6139/3046/files/hkmet_kadn_1_indir_mobil.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/
    • https://cdn.shopify.com/s/files/1/0428/9

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e6c.bin
eac994837bec72e85d508fa5280b21c3a4c8bb91fe4f578c14cd4c168286bb4f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E6C 5480 bytes
font_01_sfnt_off000070fb.bin
1f69c89ae5a5d7ba57369b5a3d4bd292891e58da4d60e64fecc1097210c9c4a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70FB 10064 bytes

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