Malicious PDF — malware analysis report

Static analysis result for SHA-256 22ce329dcfc47cf5…

MALICIOUS

PDF

44.9 KB Created: 2020-08-17 07:41:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8f854ce67fbec288f7bc953f0b876a0c SHA-1: 67f0cca0e4ab050b39087995905234aa2e6d0538 SHA-256: 22ce329dcfc47cf550050c0ccc32b1a2a79a0222fb7d27f7b06c9a7115478492
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=meal+planning+template+with+grocery+list', which is likely intended to trick users into downloading further malicious content. The presence of multiple unknown URLs hosted on similar file-sharing domains suggests a coordinated distribution effort.

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.cc/pify?keyword=meal+planning+template+with+grocery+list
    • http://files.wakestemcareerdevelpment.com/uploads/1/3/2/6/132682441/vukedonirosij.pdf
    • http://files.firstxvperformance.com/uploads/1/3/1/0/131070389/2163678.pdf
    • http://files.profesoraruiz.com/uploads/1/3/1/1/131164156/668e455bd.pdf
    • http://files.vocarsonchurch.com/uploads/1/3/1/4/131437859/bujajonimodi.pdf
    • https://cdn.shopify.com/s/files/1/0428/6060/9703/files/noida_map_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/4368/2469/files/tidomigefe.pdf
    • https://cdn.shopify.com/s/files/1/0436/0595/0626/files/86439458416.pdf
    • https://cdn.shopify.com/s/files/1/0433/9790/6589/files/fexud.pdf
    • https://cdn.shopify.com/s/files/1/0437/6972/5085/files/credit_risk_management_journal_articles.pdf
    • https://cdn.shopify.com/s/files/1/0433/5920/7582/files/22992453714.pdf
    • https://cdn.shopify.com/s/files/1/0432/6912/8354/files/gutonotitobovififafuma.pdf
    • https://cdn.shopify.com/s/files/1/0437/9587/3949/files/wifi_has_self_assigned_ip_address.pdf
    • https://cdn.shopify.com/s/files/1/0439/7550/8126/files/wudikadazote.pdf
    • https://cdn.shopify.com/s/files/1/0445/5694/3524/files/30513480994.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_off00007015.bin
0bfe47ce959ae8435a6588f85ed7532954717d3d465ff9cc1a0ad54f0820be4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7015 5544 bytes
font_01_sfnt_off000082d8.bin
03b5b2febd8690bfa7a4a9f28459da79345a66cdecab09f3008afd2aaaa2380f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x82D8 10368 bytes

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