Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f4884dedbee8a67…

MALICIOUS

PDF

35.4 KB Created: 2020-07-11 15:29:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 63a74741d48ec5286c9c85e61226523b SHA-1: 089460679405e79fc0d5f9a7666d35441907776a SHA-256: 9f4884dedbee8a67cfc6a465828e856a60363d740bf01d7a5e97b8c3ea37c60c
120 Risk Score

Malware Insights

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

The PDF document contains a mass of external links, with one specifically identified as a malicious redirector. The primary malicious URL, https://ttraff.ru/pify?keyword=pioneer+pl+115d+manual, is likely used to funnel users to a malicious site. The document body text, though partially garbled, includes keywords related to a manual, suggesting a lure to entice users to click the malicious link.

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.ru/pify?keyword=pioneer+pl+115d+manual
    • http://files.westportholidayhomes.com/uploads/1/3/2/7/132712251/89528.pdf
    • http://files.azkillerbeessoftball.com/uploads/1/3/0/8/130874518/jemizip.pdf
    • http://files.ceramicnano.net/uploads/1/3/0/7/130776727/88e881d21.pdf
    • https://zizuxufu.files.wordpress.com/2020/06/visobudilopas.pdf
    • https://turuvonuza.files.wordpress.com/2020/06/dimuwizax.pdf
    • https://tusabudedak.files.wordpress.com/2020/06/nijadedomowukakiva.pdf
    • https://gonaburezi.files.wordpress.com/2020/06/62742592090.pdf
    • https://kalateti.files.wordpress.com/2020/06/14556847536.pdf
    • https://gilunumaseg.files.wordpress.com/2020/06/weselexiletebigeza.pdf
    • https://vosafeviba.files.wordpress.com/2020/07/61958532964.pdf
    • https://timanivize.files.wordpress.com/2020/07/livodagofadalozo.pdf
    • https://dizuvas.files.wordpress.com/2020/07/mekamunaserikuzame.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57189589950.pdf
    • https://cdn.shopify.com/s/files/1/0429/1729/8329/files/77494356969.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38684703775.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/82127534182.pdf
    • https://cdn.shopify.com/s/files/1/0428/9203/4211/files/mujizudesaxevitotom.pdf
    • https://cdn.shopify.com/s/files/1/0427/9074/8316/files/12978693394.pdf
    • https://cdn.shopify.com/s/files/1/0430/5109/0077/files/67189088835.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_off00004e59.bin
d2be4c8fbe7ccd9941b523d8d8ea7d48b6a18ced3384d73ff9ea0875af3eceb7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E59 4908 bytes
font_01_sfnt_off00005edb.bin
4f819b0e0f42074cb8090f126b7df89dad79172461a464d930f79d3a7cafbbc3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EDB 9816 bytes

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