Malicious PDF — malware analysis report

Static analysis result for SHA-256 32aeeafd3310f023…

MALICIOUS

PDF

36.6 KB Created: 2020-08-02 01:30:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5789986cb623487818f1a48dd092bf0c SHA-1: dec8775b6f8544363726e831e1e5b1d58e1d18ee SHA-256: 32aeeafd3310f0230c515b36621df6071e92d74868e43f54b095b38940538389
120 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to redirect users to various SEO-optimized PDF documents, with one primary link pointing to a known malicious redirector. The document body, while appearing to be a manual, is primarily a lure to encourage clicks on these links. The heuristic firings indicate the PDF is a malicious redirector and part of a link farm.

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.ru/pify?keyword=2007+honda+odyssey+manual+pdf
    • http://files.geneseecountymg.org/uploads/1/3/0/9/130969046/fanibo_fexanakibi_gijigij.pdf
    • http://files.barnesclassiccars.co.uk/uploads/1/3/2/6/132681517/nemepubogezev.pdf
    • http://files.usapathwaytomathematics.com/uploads/1/3/1/4/131452783/6138796.pdf
    • http://files.studiomindbox.com/uploads/1/3/1/3/131381712/vobuvozeruxe.pdf
    • https://cdn.shopify.com/s/files/1/0430/8641/3985/files/95622899448.pdf
    • https://cdn.shopify.com/s/files/1/0429/2201/6934/files/nitipazufak.pdf
    • https://cdn.shopify.com/s/files/1/0432/3350/9534/files/614_607_5292.pdf
    • https://cdn.shopify.com/s/files/1/0430/5177/8202/files/55901838139.pdf
    • https://cdn.shopify.com/s/files/1/0438/2513/5776/files/86539767367.pdf
    • https://cdn.shopify.com/s/files/1/0437/1467/4841/files/janelozefevetagupox.pdf
    • https://cdn.shopify.com/s/files/1/0436/4877/8400/files/18791143285.pdf
    • https://cdn.shopify.com/s/files/1/0428/5143/4659/files/bozaxitijupobip.pdf
    • https://cdn.shopify.com/s/files/1/0431/4995/1138/files/nenotiraladuguluxivax.pdf
    • https://cdn.shopify.com/s/files/1/0429/8289/9871/files/mixikaz.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_off00005063.bin
9c01a8db3970a0f70e729705bc0be1e73a7066be55b01123e0bdf82cbc6075a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5063 5544 bytes
font_01_sfnt_off0000632a.bin
0101c28dbfce4dccb0d565e8952fd9e3aa060df4aa5b7257bebd37a3a2f0cbff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x632A 10056 bytes

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