Malicious PDF — malware analysis report

Static analysis result for SHA-256 cee5fcebd474124d…

MALICIOUS

PDF

56.2 KB Created: 2020-07-12 19:30:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8eeda651bd490b61f939b2abe5e7e73f SHA-1: ecb8f5077993d4ac1745db042e592f66eb17b709 SHA-256: cee5fcebd474124d896edae735beb4fa7c41c41e6c4b908764969c66e49b6e7e
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 at least one pointing to a known malicious redirector. The heuristic firings indicate a PDF link farm and a malicious redirector, suggesting the document's primary purpose is to distribute malicious content or manipulate search engine results. No scripts were extracted, limiting the analysis of direct payload execution.

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=meyatha+maan+mp3+songs
    • http://files.akaomicronpsiomega.org/uploads/1/3/1/4/131452778/21a1920188b.pdf
    • http://files.mmcpodcast.com/uploads/1/3/1/8/131856176/bisatok.pdf
    • http://files.iammamastories.com/uploads/1/3/1/8/131857338/cfe495a11239e5.pdf
    • http://files.artfultim.com/uploads/1/3/1/3/131382491/9246024.pdf
    • http://files.generations-across.com/uploads/1/3/1/6/131636941/busexekixogifa-jizezurodawo.pdf
    • http://files.faceycomputers.com/uploads/1/3/1/4/131408528/dusagaje.pdf
    • http://files.nkaskephotography.com/uploads/1/3/0/7/130740012/soput_dozigekabemodo.pdf
    • http://files.deannekennedy.com/uploads/1/3/0/7/130738821/vodokesitoduno.pdf
    • https://fosuxexamal.files.wordpress.com/2020/06/revarugadoni.pdf
    • https://jamazuwumu.files.wordpress.com/2020/07/55040940784.pdf
    • https://jetawuboke.files.wordpress.com/2020/06/wazozejalidudaniporer.pdf
    • https://naluwanamele.files.wordpress.com/2020/06/fugezomam.pdf
    • https://cdn.shopify.com/s/files/1/0432/7519/0422/files/71272030156.pdf
    • https://cdn.shopify.com/s/files/1/0431/2429/3796/files/bivugoriwet.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bewewolifokolugetu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/395667921.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wijabogose.pdf
    • https://cdn.shopify.com/s/files/1/0427/8140/9436/files/vifule.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/82505274200.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_off00009765.bin
fd9bc6c8da2453b5c5ab257bf738b6862ffd3a0e5fc8ae5466225b07da6fe095		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9765 5116 bytes
font_01_sfnt_off0000a8ad.bin
0eae9e175902be7d6730d797adf716732953b88f8332182ad7d3b1853b034a1a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA8AD 13604 bytes

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