Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2d0e460799854ee…

MALICIOUS

PDF

46.7 KB Created: 2020-07-31 13:45:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8b8e972c1e8d2381a48c42a3aa1e31d5 SHA-1: d1b700617ed5741f291807027c32290052582954 SHA-256: c2d0e460799854ee94f752390ee6d4881e4c14f1ef105cf778510a638b65c40c
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, a common tactic for SEO link farms. One of these links, 'https://ttraff.com/pify?keyword=bioplastic+studies+pdf', is identified as a malicious redirector. This suggests the document is part of a campaign to manipulate search engine results or to lure users to malicious sites.

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=bioplastic+studies+pdf
    • http://files.xbulls.com.au/uploads/1/3/1/4/131453605/jotugos-pirodojew.pdf
    • http://files.amcbride.org/uploads/1/3/1/3/131384127/rigojigo.pdf
    • http://files.thelearningpatio.com/uploads/1/3/2/6/132695551/142b068677f30db.pdf
    • http://files.hifivintageitaly.com/uploads/1/3/1/4/131437636/wetawinetomunaku.pdf
    • http://files.walkonministry.org/uploads/1/3/0/7/130776485/veginomamefav.pdf
    • http://files.hifivintageitaly
    • https://cdn.shopify.com/s/files/1/0435/3985/7572/files/jisoralemaxexus.pdf
    • https://cdn.shopify.com/s/files/1/0430/5820/0730/files/12076702762.pdf
    • https://cdn.shopify.com/s/files/1/0431/3579/5354/files/xovuterutozu.pdf
    • https://cdn.shopify.com/s/files/1/0431/3019/2039/files/18952055042.pdf
    • https://cdn.shopify.com/s/files/1/0431/6430/3522/files/90926814514.pdf
    • https://cdn.shopify.com/s/files/1/0431/6738/3712/files/pupugijujosulalebajul.pdf
    • https://cdn.shopify.com/s/files/1/0429/3849/9235/files/35386895806.pdf
    • https://cdn.shopify.com/s/files/1/0430/3595/1257/files/8710854312.pdf
    • https://cdn.shopify.com/s/files/1/0435/6944/7073/files/budipazoregonokizipefuxo.pdf
    • https://cdn.shopify.com/s/files/1/0428/1915/8183/files/xadomidawuni.pdf
    • https://cdn.shopify.com/s/files/1/0431/7357/6865/files/raruki.pdf
    • https://cdn.shopify.com/s/files/1/0431/7102/0957/files/42781235101.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_off00007a0e.bin
aefb81379fc1c67805407961d5d3ab9074815525771829ba45863319d32635eb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A0E 4876 bytes
font_01_sfnt_off00008aa7.bin
0b989a73dca8a27eedf4b6a83a6cb6f206b95d5d79b031460a610c3d499d6164		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8AA7 10240 bytes

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