Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9cc95799d81cd56…

MALICIOUS

PDF

43.7 KB Created: 2020-08-25 13:24:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 518f177321ddfd6d9f5cbc58dea42b60 SHA-1: d590eba6c6eff45246bc946fd67a2a6f012e0d88 SHA-256: b9cc95799d81cd56edbd902d10bbfa2aeff0b8a67e69dee3dec84acf5f55675d
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One of these links, 'https://ttraff.cc/pify?keyword=mickey+mouse+ear+headband+template', is identified as a malicious redirector. This suggests the document is designed to lead users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=mickey+mouse+ear+headband+template
    • http://files.newtownnsardee.com/uploads/1/3/0/8/130814676/sidurexavi.pdf
    • http://zamaj.thejournalofpolitics.org/uploads/1/3/2/7/132741073/xademudokak-wilagagofizejo-memidezab-kavafijegu.pdf
    • http://files.sycharlutheran.org/uploads/1/3/1/3/131398430/32b55.pdf
    • http://files.brazossunrisefarms.com/uploads/1/3/2/6/132681685/diwodugedegumu_lilug_jumojofe_sagem.pdf
    • https://cdn.shopify.com/s/files/1/0431/7508/4193/files/13483261188.pdf
    • https://cdn.shopify.com/s/files/1/0436/6237/7113/files/army_asu_setup_measurements.pdf
    • https://cdn.shopify.com/s/files/1/0429/7113/6154/files/18224893640.pdf
    • https://cdn.shopify.com/s/files/1/0429/8843/7655/files/distinguish_between_deductive_and_inductive_reasoning.pdf
    • https://cdn.shopify.com/s/files/1/0434/4925/4050/files/bridal_chorus_guitar.pdf
    • https://cdn.shopify.com/s/files/1/0431/1692/0996/files/gupikuvanu.pdf
    • https://cdn.shopify.com/s/files/1/0428/5192/6183/files/27347749383.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_off00006c37.bin
596de2ef34a17e77d3c6730b98b970e4fe2b61585004b7527d63c33cab428d01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C37 5624 bytes
font_01_sfnt_off00007f31.bin
5b46bc3fd4eab4d029059d581535e9f7f275b82ed3a369dff0f85af78ba0a948		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F31 10352 bytes

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