Malicious PDF — malware analysis report

Static analysis result for SHA-256 c01ef1059a7c0be4…

MALICIOUS

PDF

58.0 KB Created: 2020-07-27 11:31:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5072f58bca77df6cb8aed4b1f1672902 SHA-1: d263884d47c23154b7f81439ca6d808dfd9f9890 SHA-256: c01ef1059a7c0be465b49160fb0ee90cb21dfa183c884de59cf554ac7137e13d
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. Additionally, the PDF_SEO_LINK_FARM heuristic suggests a large number of external links, many hosted on cdn.shopify.com, which is a common tactic for distributing malicious content. The embedded URL in the document body, 'https://ttraff.com/pify?keyword=business+test+plan+template', is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site.

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=business+test+plan+template
    • http://files.perfectcompanionyorkies.com/uploads/1/3/1/4/131411539/foporuwatugoka_xoxikok.pdf
    • http://files.hacklebarneyfarm.com/uploads/1/3/2/6/132695832/tuwizid.pdf
    • http://files.jessieleethetford.com/uploads/1/3/2/6/132696145/lubanexo.pdf
    • https://cdn.shopify.com/s/files/1/0435/8445/4817/files/85516826477.pdf
    • https://cdn.shopify.com/s/files/1/0427/8976/5279/files/fimorapowu.pdf
    • https://cdn.shopify.com/s/files/1/0432/4560/0936/files/gapenabomozewizunigu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70474217151.pdf
    • https://cdn.shopify.com/s/files/1/0435/1338/1028/files/kiraxinapife.pdf
    • https://cdn.shopify.com/s/files/1/0435/0207/6070/files/ximiletutaletifafajak.pdf
    • https://cdn.shopify.com/s/files/1/0440/3573/5717/files/86402904321.pdf
    • https://cdn.shopify.com/s/files/1/0427/8861/8396/files/33572836881.pdf
    • https://cdn.shopify.com/s/files/1/0435/2727/4645/files/210851145.pdf
    • https://cdn.shopify.com/s/files/1/0430/7514/1794/files/lakokozusigujixotabor.pdf
    • https://cdn.shopify.com/s/files/1/0428/5366/2883/files/kibude.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_off0000a81b.bin
2a8e06a3b08b6dc6e45cf40f23167b5df093d93227ed324052298ece4c68eaa6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA81B 4688 bytes
font_01_sfnt_off0000b7e6.bin
590538b9b76707b3f4833c3ca32218bc3dde10d0a61ba2c487eccc1d5cf5e3c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB7E6 10240 bytes

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