Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0544f2c115e30d9…

MALICIOUS

PDF

33.6 KB Created: 2020-08-11 23:01:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b55acc4b476408998699ccc1c08b02a6 SHA-1: 0cb2576b8c975bb3a61a1e2bd3997f3cc1569a60 SHA-256: d0544f2c115e30d9ff95f1b859b12c0f9b999b062ffb9db94ba5b8f79858becb
150 Risk Score

Malware Insights

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

This PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. The primary link, https://ttraff.ru/pify?keyword=mathematical+models+of+communication+channel+pdf, is identified as a malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious infrastructure.

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.ru/pify?keyword=mathematical+models+of+communication+channel+pdf
    • http://files.campus-house.com/uploads/1/3/1/4/131483391/finuk_xatepebumotuz.pdf
    • http://xeparunid.cdri.org/uploads/1/3/0/8/130814085/1174581.pdf
    • http://files.dawnmariemacsporran.com/uploads/1/3/1/3/131380305/lunelowalop-wuvutizewevudag.pdf
    • http://soxuwik.jimkeddyconsulting.com/uploads/1/3/2/6/132681824/1fbe6c3da0a.pdf
    • https://cdn.shopify.com/s/files/1/0434/7386/2821/files/jojafogomoxo.pdf
    • https://cdn.shopify.com/s/files/1/0432/8154/7428/files/68623180974.pdf
    • https://cdn.shopify.com/s/files/1/0433/8266/9464/files/28515374036.pdf
    • https://cdn.shopify.com/s/files/1/0434/0911/3240/files/16894766436.pdf
    • https://cdn.shopify.com/s/files/1/0429/8060/6111/files/32337286268.pdf
    • https://cdn.shopify.com/s/files/1/0434/1055/5041/files/tabel_nutrisi_hidroponik.pdf
    • https://cdn.shopify.com/s/files/1/0440/8741/0840/files/industrial_ergonomics_book.pdf
    • https://cdn.shopify.com/s/files/1/0433/8289/8840/files/pugoxifutul.pdf
    • https://cdn.shopify.com/s/files/1/0431/6689/2191/files/namisezawuwinosexot.pdf
    • https://cdn.shopify.com/s/files/1/0429/2640/7833/files/sonoxoloka.pdf
    • https://cdn.shopify.com/s/files/1/0431/5598/0439/files/dudelife.pdf
    • https://cdn.shopify.com/s/files/1/0436/3105/0915/files/adventures_in_middle_earth_loremasters_guide.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_off000048e0.bin
17feda5e5b23fe4fb3c2606e02087b73a0efba12073dc0d1cfd02be6cad327b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x48E0 5304 bytes
font_01_sfnt_off00005ad1.bin
0e304be2a3c167d975aad0dd566c1a0fe739145ac78491b4fa307b0e6e83bd0a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AD1 8900 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.