Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cc04af2cbb900a4…

MALICIOUS

PDF

43.8 KB Created: 2020-08-30 11:27:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b154793aaf531a94dc7ef89df4e9aa95 SHA-1: 22fe64c9a8cf97f60cd0901cb77da1e9c212b9a5 SHA-256: 2cc04af2cbb900a4cea5d01b9e5c71f17e71ca13627db10ff6fe0133cb66e528
150 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.club'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many hosted on Shopify. The document body contains the provocative phrase 'Eat like you give a fuck' and the malicious URL, suggesting a lure to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.club/wix?keyword=eat+like+you+give+a+fuck
    • https://cdn.shopify.com/s/files/1/0428/4389/8019/files/dilujaneretavarunoxe.pdf
    • https://cdn.shopify.com/s/files/1/0429/7739/4847/files/wavinofutizobekugoraxo.pdf
    • https://cdn.shopify.com/s/files/1/0430/6881/7569/files/44248307864.pdf
    • https://cdn.shopify.com/s/files/1/0436/1817/3086/files/67331825668.pdf
    • https://cdn.shopify.com/s/files/1/0429/2739/0887/files/rarej.pdf
    • https://static.usrfiles.com/ugd/87a178_bbd2dddf893e4fbda8897280c3cf9ddd.pdf
    • https://cdn.shopify.com/s/files/1/0428/4533/9814/files/lasuwekasiketumuz.pdf
    • https://cdn.shopify.com/s/files/1/0439/8887/7470/files/basalusojudatokoj.pdf
    • https://cdn.shopify.com/s/files/1/0440/1581/2773/files/jasipib.pdf
    • https://cdn.shopify.com/s/files/1/0428/6251/0236/files/w4_deductions_and_adjustments_worksheet_line_4.pdf
    • https://cdn.shopify.com/s/files/1/0429/1713/4499/files/gunepuruvaximobepu.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_off0000617c.bin
ffd41bef708af65593c78a1265b914a8f19a533077243956de57e879acb6bd87		 pdf-font-stream PDF embedded font (sfnt) at offset 0x617C 4736 bytes
font_01_sfnt_off000071c7.bin
19d81ad6ddd467840c50fcb502c3b39e6eb8c214c029f86c7cc09417a7043cb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71C7 10292 bytes
font_02_sfnt_off000094b9.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x94B9 4324 bytes

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