Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8f2a7756647dd6e…

MALICIOUS

PDF

63.3 KB Created: 2020-07-28 22:28:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86bf40efabc73530a921a69b4e8f2d62 SHA-1: fc56c9120d68a24071ae4d2274440e3862f34da2 SHA-256: c8f2a7756647dd6e90e51a2a0f44904049bb43c5d31a7afe2b9c55a5206e09ba
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links redirects to a known malicious redirector at 'ttraff.cc'. This suggests the document is designed to drive traffic to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact lure.

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.cc/pify?keyword=short+guided+meditation+script
    • http://files.shooplr.com/uploads/1/3/2/7/132740764/3453739.pdf
    • http://files.imperialgrp.com/uploads/1/3/1/3/131381006/d53dc3cd9e.pdf
    • http://files.tinyhamsterpaws.com/uploads/1/3/1/1/131163667/zopenixi.pdf
    • https://cdn.shopify.com/s/files/1/0437/6556/3549/files/zumurelab.pdf
    • https://cdn.shopify.com/s/files/1/0440/5025/1941/files/wumino.pdf
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/fipegisiferagos.pdf
    • https://cdn.shopify.com/s/files/1/0431/6325/4944/files/78488314240.pdf
    • https://cdn.shopify.com/s/files/1/0432/1725/6603/files/48931011885.pdf
    • https://cdn.shopify.com/s/files/1/0428/5769/3347/files/vamijopav.pdf
    • https://cdn.shopify.com/s/files/1/0432/3845/7504/files/dijegojanurupe.pdf
    • https://cdn.shopify.com/s/files/1/0433/5285/0586/files/99666592961.pdf
    • https://cdn.shopify.com/s/files/1/0438/1717/3152/files/78415758042.pdf
    • https://cdn.shopify.com/s/files/1/0431/2167/2356/files/pawoponanudotuserijat.pdf
    • https://cdn.shopify.com/s/files/1/0433/5117/9423/files/19143909570.pdf
    • https://cdn.shopify.com/s/files/1/0432/0657/4238/files/81461071174.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_off0000b9a1.bin
c2fe081149c8f3809ff9382ef1c33154a60ebf8c3e1ffb33bfb74a42985c9e29		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB9A1 5440 bytes
font_01_sfnt_off0000cbf4.bin
98838af295106b3880c6f55326b13c123f1ba67d0d3740ce37855973d675fe40		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCBF4 10532 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.