Malicious PDF — malware analysis report

Static analysis result for SHA-256 e60645bb38582996…

MALICIOUS

PDF

40.9 KB Created: 2020-08-16 12:28:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 73101100fad49bef95173ad8c4239e11 SHA-1: 47e93891d8b52efdbc097165e9ae9a42b6b94f89 SHA-256: e60645bb38582996f0ecf6c359e4c830cd10711ecfd1aa86d3b8cecdcb508305
120 Risk Score

Malware Insights

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

The PDF file contains a malicious redirector link disguised as 'Blood relation reasoning questions and answers'. This link likely leads to a phishing page or further malware. The document also exhibits characteristics of a link farm, embedding numerous external PDF links, many hosted on Shopify, to potentially obscure malicious activity. No scripts were extracted from this sample.

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=blood+relation+reasoning+questions+and+answers
    • http://guvojif.dabeedesign.com/uploads/1/3/0/9/130969742/lotimovates.pdf
    • https://cdn.shopify.com/s/files/1/0435/2642/2687/files/98187998297.pdf
    • https://cdn.shopify.com/s/files/1/0429/8499/7025/files/28444922496.pdf
    • https://cdn.shopify.com/s/files/1/0436/9163/8934/files/mojatifegapawuferoneronu.pdf
    • https://cdn.shopify.com/s/files/1/0435/9431/7981/files/gojixosezokorira.pdf
    • https://cdn.shopify.com/s/files/1/0436/0372/2398/files/muwuvolekizodowerowikifi.pdf
    • https://cdn.shopify.com/s/files/1/0431/2553/8980/files/5893111517.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9715790575.pdf
    • https://cdn.shopify.com/s/files/1/0432/8767/5036/files/17908398211.pdf
    • https://cdn.shopify.com/s/files/1/0451/0213/7496/files/morfologia_de_los_nematodos_fitoparasitos.pdf
    • https://cdn.shopify.com/s/files/1/0430/8818/3456/files/wixunaburizisufogi.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/midotikonujeriruzopa.pdf
    • https://cdn.shopify.com/s/files/1/0433/5792/9621/files/fuzaluvobi.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_off00006122.bin
c1e69cefe8147b50f624d486275e871b64819281b465f2c1b2baa9ec15791d31		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6122 5260 bytes
font_01_sfnt_off00007315.bin
40a205e80e69f4aec640a6dc9f05861fdb0ff24b016286798dd20a3dd7de74d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7315 10468 bytes

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