Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb552f2efb5bfe29…

MALICIOUS

PDF

44.3 KB Created: 2020-08-22 13:00:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 88151201035a7abbfe12a35fb8b3eb3d SHA-1: 97988c4a08fd1766257a9b29222fc5dd60865208 SHA-256: eb552f2efb5bfe2910a5229adffcd450d7bd5325a00cd34fb3cda231ad6b356e
120 Risk Score

Malware Insights

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

The PDF contains a link disguised as a trainer for 'Red Alert 2 Yuri's Revenge'. This link redirects to a known malicious redirector at 'ttraff.ru'. The document also contains a large number of links to other PDFs hosted on various domains, suggesting a link farm or SEO poisoning tactic. No scripts were extracted, and the document body is heavily obfuscated, but the primary malicious intent appears to be directing users to malicious infrastructure via the embedded link.

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=red+alert+2+yuri%2527+s+revenge+trainer
    • http://jisijadu.chanceleywilsoninteriors.com/uploads/1/3/0/7/130775735/viwut_wejurafizixi.pdf
    • http://lemizufon.celestejohnsonlpc.com/uploads/1/3/0/9/130969264/79f2606c.pdf
    • http://files.gloesthetics.net/uploads/1/3/1/4/131453429/bediferumen-purina.pdf
    • http://files.projectrestor.com/uploads/1/3/1/4/131413362/jaturel_fezudigaw_mipopeviviroxa_lokiwig.pdf
    • http://dolote.brockenhurst-station-taxis.com/uploads/1/3/1/8/131857120/lavabuguxut.pdf
    • https://cdn.shopify.com/s/files/1/0428/2515/4716/files/zugubifilarugu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2581582401.pdf
    • https://cdn.shopify.com/s/files/1/0432/3606/5438/files/17542246825.pdf
    • https://cdn.shopify.com/s/files/1/0433/6818/6015/files/lyman_load_data.pdf
    • https://cdn.shopify.com/s/files/1/0430/2585/8711/files/motuxomowu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23929268289.pdf
    • https://cdn.shopify.com/s/files/1/0434/1779/6770/files/71898948886.pdf
    • https://cdn.shopify.com/s/files/1/0432/3845/7508/files/kedutaxeridesekaz.pdf
    • https://cdn.shopify.com/s/files/1/0430/4555/2277/files/dutuvi.pdf
    • https://cdn.shopify.com/s/files/1/0437/8404/4705/files/nevonate.pdf
    • https://cdn.shopify.com/s/files/1/0427/9618/7815/files/36642847249.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_off000067fe.bin
c678d7821295ed6b412c9c27610c1f2250c1c5d1b088568e9fa4166e70593b1c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67FE 5328 bytes
font_01_sfnt_off00007a42.bin
6783e4a234021787c42abbc0f52406495fa23a39761b805858d5b9570d546f7b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A42 13192 bytes

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