Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4295dc67802573a…

MALICIOUS

PDF

45.8 KB Created: 2020-08-23 00:27:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 678b0a62cbe1d09fe710b89c60671c3f SHA-1: 6fc81fb4130b23ad24c671ef0230e730a32e4b9d SHA-256: e4295dc67802573aadf0834cf8c5bfd02d24f338e3f668a1e9484445d43bb893
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, identified as a PDF SEO link farm. One of these links, https://ttraff.com/pify?keyword=ps2+iso+games, points to a known malicious redirector. This suggests the document's primary purpose is to direct users to malicious infrastructure, likely for phishing or malware delivery. No scripts were extracted, and the document body was heavily obfuscated, but the link farm and redirector are strong indicators of malicious intent.

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=ps2+iso+games
    • http://tunuragu.apextravelogue.com/uploads/1/3/2/8/132814956/0f32dbbbc.pdf
    • http://files.sarahulan.com/uploads/1/3/0/7/130739758/mezuxapudeviketum.pdf
    • http://files.chchgymnastics.com/uploads/1/3/1/4/131482931/23cfe2.pdf
    • https://cdn.shopify.com/s/files/1/0435/6987/3054/files/third_party_app_store_android_tv.pdf
    • https://cdn.shopify.com/s/files/1/0429/2250/8454/files/wutanoti.pdf
    • https://cdn.shopify.com/s/files/1/0432/7155/3189/files/13799581496.pdf
    • https://cdn.shopify.com/s/files/1/0429/3040/5535/files/tigumomajawunosa.pdf
    • https://cdn.shopify.com/s/files/1/0436/3599/8880/files/pdf_to_dwg_converter_online_unlimited.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78299439052.pdf
    • https://cdn.shopify.com/s/files/1/0433/6451/6005/files/97118707034.pdf
    • https://cdn.shopify.com/s/files/1/0430/0469/0581/files/10060875567.pdf
    • https://cdn.shopify.com/s/files/1/0437/2476/7400/files/arrugas_paco_roca_descargar.pdf
    • https://cdn.shopify.com/s/files/1/0431/0935/1585/files/vudozasov.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_off00006b95.bin
e863852796cf25e19ac7f6d7d4f93b3b6717df8eec8adbb3ba10d16b96e047e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B95 5008 bytes
font_01_sfnt_off00007c95.bin
896ec123f4780d5819e1cff61ae82e490078fd9b5054f0c23e89c454bfe8cd14		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C95 14952 bytes

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