Malicious PDF — malware analysis report

Static analysis result for SHA-256 535eccb2a80b7422…

MALICIOUS

PDF

43.8 KB Created: 2020-08-25 02:42:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d616e9d8fe8348f6382dc2713a4ffd58 SHA-1: 64e3e2bf06049a4f1ba5c575c1c67d04dc48faf1 SHA-256: 535eccb2a80b74223dcd371e747b6043173a2a3a95327b2f7656e364bcec17fc
128 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.cc, which is used to obscure the final destination. The document body and heuristics indicate a lure for a Canon printer driver download, likely to trick users into downloading malware. The presence of a 'download button' heuristic further supports this phishing-like social engineering tactic.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=canon+printer+lbp6000+driver
    • http://files.othpreparedmeals.com/uploads/1/3/1/3/131383318/bodimopeno_pukopixi_mojozij.pdf
    • http://files.canadianbakinbread.com/uploads/1/3/2/6/132681664/govirumokil.pdf
    • http://napuwepa.synergy-african.com/uploads/1/3/1/6/131637135/labitosu-bunugebudemunij-mobig-ziwuf.pdf
    • https://cdn.shopify.com/s/files/1/0433/9469/5324/files/irc_change_nick.pdf
    • https://cdn.shopify.com/s/files/1/0431/0928/6050/files/carson_dellosa_printables.pdf
    • https://cdn.shopify.com/s/files/1/0435/2668/4824/files/27595570643.pdf
    • https://cdn.shopify.com/s/files/1/0432/0844/2020/files/bumimusab.pdf
    • https://cdn.shopify.com/s/files/1/0437/5481/5640/files/19584376816.pdf
    • https://cdn.shopify.com/s/files/1/0429/5321/2060/files/52150098826.pdf
    • https://cdn.shopify.com/s/files/1/0435/4428/1247/files/lokaxinuwikerevizagisowu.pdf
    • https://cdn.shopify.com/s/files/1/0432/3541/0077/files/award_bios_update.pdf
    • https://cdn.shopify.com/s/files/1/0432/9956/9829/files/35086752374.pdf
    • https://cdn.shopify.com/s/files/1/0434/6078/8390/files/zupiw.pdf
    • https://cdn.shopify.com/s/files/1/0436/3019/8937/files/paxomes.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/
    • https://cdn.shopify.com/s/files/1/04

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006d39.bin
7b9920dd2b7da49b34c91e2c8435edfc4fbfbbaa1cf48128c04f6dc071a7c0ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D39 5176 bytes
font_01_sfnt_off00007edb.bin
1d5e4dfade39410479222c1622219159ecdfe892ba0df570584c5f449b9253a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EDB 10304 bytes

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