Malicious PDF — malware analysis report

Static analysis result for SHA-256 c045a444d0455809…

MALICIOUS

PDF

45.1 KB Created: 2020-07-08 20:29:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 95eed074b1f66caa4d061714412b3890 SHA-1: 3a736465dec7d1bcbbab817c0a304a87707c7034 SHA-256: c045a444d04558093e16cb48c315bb7695a1aafce0240a103f15314e3020a3c2
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. One of these links, https://ttraff.com/wb?keyword=iringa%20region%20profile%20pdf, is flagged as a malicious redirector. The document body contains garbled text but includes the same URL, suggesting a lure or redirection mechanism. The primary attack pattern involves leveraging these links for malicious redirection or SEO manipulation.

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/wb?keyword=iringa%20region%20profile%20pdf
    • http://files.tgja.org/uploads/1/3/1/6/131606335/lerenakega.pdf
    • http://files.vanessasteck.com/uploads/1/3/1/8/131871414/9859648.pdf
    • http://files.refreshglobalnfp.org/uploads/1/3/2/8/132815960/6908795.pdf
    • http://files.grandfamilyeyecare.com/uploads/1/3/0/8/130874411/49d13ca129.pdf
    • http://files.strayashop.com/uploads/1/3/1/0/131070289/6853560.pdf
    • http://files.westsoundsportswear.com/uploads/1/3/1/0/131070485/zisadunef.pdf
    • http://files.narrowgatec.com/uploads/1/3/0/7/130776575/jutulogufaw.pdf
    • https://jusodewajage.files.wordpress.com/2020/06/konizitorabozikago.pdf
    • https://xidufunamopa.files.wordpress.com/2020/06/jijogijon.pdf
    • https://lebetamawif.files.wordpress.com/2020/07/16798519150.pdf
    • https://mazagutote.files.wordpress.com/2020/06/jemanipurowadapesadudos.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20424522606.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/texirid.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rofan.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinavupomun.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dagezaluvonanapukinuwit.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kewosa.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61411835552.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_off00007529.bin
115af1be626995a5b5231fea319582b4edfdc9c9a21eaed72f20e28a5e18bead		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7529 4676 bytes
font_01_sfnt_off00008501.bin
73bb8932a06f6b6dcbcccc6750de0db4bff72138c2f0275611bb5e46f92ec6a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8501 10060 bytes

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