Malicious PDF — malware analysis report

Static analysis result for SHA-256 1cee88ecc15d87b7…

MALICIOUS

PDF

38.7 KB Created: 2020-08-24 11:20:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62eb28d231cda7f4aad068e220dba897 SHA-1: 8fc7b49e174595baa4eaf7374c59f2bf5038a46c SHA-256: 1cee88ecc15d87b7eeb816de1aebcd7c988e27781834d92ebe9df171b7efedf5
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains a large number of embedded links, forming a link farm. One of these links redirects to a known malicious domain (ttraff.com), indicating a phishing or redirection attempt. The document body itself is heavily obfuscated and contains the malicious URL, suggesting it's part of the lure. No scripts were extracted, but the PDF structure and embedded links strongly suggest a malicious redirection or phishing campaign.

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/pify?keyword=smoker+status+video
    • http://files.iamsefo.com/uploads/1/3/1/4/131452861/kubowawivonaze_xudazuleje.pdf
    • http://tevej.mindfulness-heidelberg.de/uploads/1/3/2/3/132303382/7377499.pdf
    • https://cdn.shopify.com/s/files/1/0461/9259/1001/files/fegevuju.pdf
    • https://cdn.shopify.com/s/files/1/0432/5752/8480/files/28794062979.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45292738862.pdf
    • https://cdn.shopify.com/s/files/1/0428/1312/8863/files/burivuvazadobomada.pdf
    • https://cdn.shopify.com/s/files/1/0434/7835/2034/files/xapot.pdf
    • https://cdn.shopify.com/s/files/1/0435/2340/8036/files/12885548648.pdf
    • https://cdn.shopify.com/s/files/1/0430/9427/8293/files/16808609945.pdf
    • https://cdn.shopify.com/s/files/1/0428/3210/1543/files/taretuwowonalajafudesilub.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_off0000595e.bin
0b359c60a29eca7fc35b52244a60aa418113d6436acb3429b5aa53e99f0030d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x595E 5164 bytes
font_01_sfnt_off00006adb.bin
4013a699be8eef77bf275637c5fecc4ce110cbb2e53f52200f0ae2b187957b18		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6ADB 10536 bytes

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