Malicious PDF — malware analysis report

Static analysis result for SHA-256 fae68cab3c60f7bd…

MALICIOUS

PDF

47.1 KB Created: 2020-08-25 16:05:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c2d36506a363dc8d1775daf947d7e72e SHA-1: 7392c08f0ae0374c2963509fd3b2d254b1592da4 SHA-256: fae68cab3c60f7bd026496dee66fa0a3225573485ee5e9df51742a60b656dd84
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains embedded links, one of which, 'https://ttraff.com/pify?keyword=escape+from+tarkov+gunsmith+part+1+guide', is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to 'Escape from Tarkov' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The PDF also exhibits characteristics of a link farm, with numerous external links, further supporting a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=escape+from+tarkov+gunsmith+part+1+guide
    • http://vebubin.massageredefined.com/uploads/1/3/1/8/131856408/pikala.pdf
    • https://cdn.shopify.com/s/files/1/0429/8768/4003/files/rigasominubanetixumaf.pdf
    • https://cdn.shopify.com/s/files/1/0428/8443/2038/files/arduino_nano_specifications.pdf
    • https://cdn.shopify.com/s/files/1/0438/9430/9019/files/22486288572.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/muzoguganava.pdf
    • https://cdn.shopify.com/s/files/1/0433/7516/5594/files/67386720602.pdf
    • https://cdn.shopify.com/s/files/1/0428/9432/7961/files/12139100483.pdf
    • https://cdn.shopify.com/s/files/1/0431/4752/6305/files/11362020317.pdf
    • https://cdn.shopify.com/s/files/1/0429/5675/1002/files/febor.pdf
    • https://cdn.shopify.com/s/files/1/0432/9213/1484/files/duxegok.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005ca1.bin
4103f12eb2d3fd5ce81f4dfd6de156bb127b7b020113f77f3e4d9c5a57060399		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CA1 6416 bytes
font_01_sfnt_off00006c6c.bin
ea9fb6d0b38336300c470a526bbc337ecad80f1057fbb2a37d6ffdf74a22a3e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C6C 5552 bytes
font_02_sfnt_off00007f2c.bin
5219722b9aef707a50a0a50512b1377d76e91bea62cedd922694094adb80b2d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F2C 10004 bytes
font_03_sfnt_off0000a162.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA162 4324 bytes

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