Malicious PDF — malware analysis report

Static analysis result for SHA-256 4484d8ba5606133c…

MALICIOUS

PDF

42.2 KB Created: 2020-08-02 04:50:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ffe4b8465b244e9033ac628be1f320b9 SHA-1: 5ae9af5a1b851518b2e3caf06d7e1ad54eef8429 SHA-256: 4484d8ba5606133cf6ab2f9c9f2d5770d2c3049c4e6072ea5ed64bf711a83036
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=booker+t.+washington+spouse', which is flagged as malicious. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm or SEO manipulation tactic, potentially to distribute further malicious content or to obscure the true malicious destination.

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=booker+t.+washington+spouse
    • http://files.panconsultium.com/uploads/1/3/1/3/131383544/dekado.pdf
    • http://files.armenianchurchofkuwait.com/uploads/1/3/1/3/131379039/34cb3c.pdf
    • http://files.milamk8.org/uploads/1/3/0/7/130739004/4123543.pdf
    • http://files.guruacademicadvising.com/uploads/1/3/1/3/131380456/jivazabe.pdf
    • https://cdn.shopify.com/s/files/1/0431/5663/5812/files/zaxobakuvadila.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vevisip.pdf
    • https://cdn.shopify.com/s/files/1/0436/9140/9562/files/balegediro.pdf
    • https://cdn.shopify.com/s/files/1/0429/6717/1223/files/45619050629.pdf
    • https://cdn.shopify.com/s/files/1/0435/6295/8997/files/15784436274.pdf
    • https://cdn.shopify.com/s/files/1/0437/1703/4134/files/pekulipowimiwabuxafepaxe.pdf
    • https://cdn.shopify.com/s/files/1/0437/4839/3112/files/vr_6_jetta.pdf
    • https://cdn.shopify.com/s/files/1/0439/2694/5947/files/bmw_z4_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/1026/9082/files/niberijiforiresomadiz.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_off000067b7.bin
83eda215582a3ff847f606ed062118e99662eb7709ff73cdb95d49bad01e5d75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67B7 5284 bytes
font_01_sfnt_off000079d0.bin
cf8b94212f3a6df3c614abe638caf2cf3f4e4e0d49c11f5f42cc93fddf737f74		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79D0 10140 bytes

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