Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ce04ae9de1d5c13…

MALICIOUS

PDF

42.2 KB Created: 2020-08-18 21:48:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: abf29c3f69ecb783591aad7b0cae247d SHA-1: 6d01d580a919bb5a70fff45fff8c2d2b7258d21a SHA-256: 2ce04ae9de1d5c135ca79f18cb2d4b1940bd354c328def6951eb7ef4032d6825
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF document contains a lure for a "candy crush apk hack" and embeds numerous links, many of which point to Shopify domains hosting other PDFs. One critical heuristic indicates a PDF link to known malicious redirector infrastructure at 'ttraff.ru'. This suggests the document is designed to drive traffic to malicious sites, likely for further exploitation or malware delivery. No scripts were extracted, limiting the analysis of direct execution capabilities.

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.ru/pify?keyword=candy+crush++apk+hack
    • http://files.drexinger.com/uploads/1/3/0/8/130873872/158804.pdf
    • http://files.david-jones-society.org/uploads/1/3/0/8/130814642/dixagululekivex_tekixomixe.pdf
    • https://cdn.shopify.com/s/files/1/0431/4143/1464/files/28673072690.pdf
    • https://cdn.shopify.com/s/files/1/0431/0653/3527/files/reasons_for_abolition_of_slave_trade_in_africa.pdf
    • https://cdn.shopify.com/s/files/1/0431/8376/7713/files/26460832446.pdf
    • https://cdn.shopify.com/s/files/1/0429/2093/5590/files/lofilev.pdf
    • https://cdn.shopify.com/s/files/1/0435/1747/7019/files/supumuteni.pdf
    • https://cdn.shopify.com/s/files/1/0440/0090/3318/files/gufivetegefoli.pdf
    • https://cdn.shopify.com/s/files/1/0434/8873/9494/files/tutapujodagawitogumirun.pdf
    • https://cdn.shopify.com/s/files/1/0428/6241/1935/files/peluwudawovaseto.pdf
    • https://cdn.shopify.com/s/files/1/0432/0775/3888/files/sorotugejasuguv.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40035930655.pdf
    • https://cdn.shopify.com/s/files/1/0430/3791/7335/files/81600914903.pdf
    • https://cdn.shopify.com/s/files/1/0430/8110/5575/files/buzozub.pdf
    • https://cdn.shopify.com/s/files/1/0433/4492/0734/files/pedisotot.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_off00006655.bin
6d7bd6a72d52c3d895a926f48e0481024c6f2355eafc9243153afab5d575f588		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6655 5200 bytes
font_01_sfnt_off00007801.bin
0a1602a4c0589fef2370bc3bb938bcb816fa016e4e5ebfead5116357783b9af6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7801 10752 bytes

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