Malicious PDF — malware analysis report

Static analysis result for SHA-256 79db1b786b8162d8…

MALICIOUS

PDF

43.4 KB Created: 2020-08-19 09:16:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 14a9913b86fbaca3aa54c52d471a1c56 SHA-1: a1628ba81d5908399f763817a6c6709cf72d9f50 SHA-256: 79db1b786b8162d891c77d892d3fe8b75821a3e5fbe582dcae26db9bacc4e2d2
128 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is used in conjunction with a lure for 'bowmasters apk hack ios'. The document also contains a large number of embedded links, many of which point to Shopify domains, suggesting a link farm or SEO poisoning tactic. The primary malicious URL is reconstructed from the document body and heuristic findings.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=bowmasters+apk+hack+ios
    • http://povop.blount-lab.org/uploads/1/3/2/7/132712116/8b06ce6.pdf
    • https://cdn.shopify.com/s/files/1/0432/4071/8496/files/welovolinizakofidarel.pdf
    • https://cdn.shopify.com/s/files/1/0438/4037/2896/files/30191794377.pdf
    • https://cdn.shopify.com/s/files/1/0432/2027/1264/files/vewigutinakuwukuk.pdf
    • https://cdn.shopify.com/s/files/1/0438/0088/7457/files/importance_of_revenue_management_in_hotel_industry.pdf
    • https://cdn.shopify.com/s/files/1/0432/7420/7387/files/destinos_an_introduction_to_spanish_textbook.pdf
    • https://cdn.shopify.com/s/files/1/0427/5470/3526/files/nikujidujubedekumusigawej.pdf
    • https://cdn.shopify.com/s/files/1/0437/4007/0042/files/jiriwumevesanadibatix.pdf
    • https://cdn.shopify.com/s/files/1/0433/5144/1560/files/6201997367.pdf
    • https://cdn.shopify.com/s/files/1/0433/9970/8821/files/11293040421.pdf
    • https://cdn.shopify.com/s/files/1/0431/8383/3249/files/69396204800.pdf
    • https://cdn.shopify.com/s/files/1/0429/1395/6006/files/ruworutuv.pdf
    • https://cdn.shopify.com/s/files/1/0438/6550/5952/files/90463399477.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_off00006c62.bin
7b685525a6c37d0eda7bb491ef0c4c867a98c71511541fd278fc0cb1b1f5b31a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C62 5344 bytes
font_01_sfnt_off00007e7c.bin
b316aa7961828c4db16da1965660a74bfedaae34a3fbc569c60050e4abfdd140		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E7C 10060 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.