Malicious PDF — malware analysis report

Static analysis result for SHA-256 230e56295bd2eb59…

MALICIOUS

PDF

43.2 KB Created: 2020-08-01 04:08:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5b01c34539a5e6da49350a5a195b0eea SHA-1: 6ac0ed9a63a35872e06bd20c46c0433ab9e1b012 SHA-256: 230e56295bd2eb5997d9de8dc179a80354b0e8bf7780eed155526a2a869a07ed
128 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to external PDFs, suggesting a link farm or redirection strategy. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=fable+2+cheats'. The document body also contains this URL and a call-to-action phrase, indicating a lure to trick users into clicking the malicious link. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=fable+2+cheats
    • http://files.methodistchurchguyana.org/uploads/1/3/1/6/131606533/1526309.pdf
    • http://files.balasanabodywork.com/uploads/1/3/1/6/131606490/7698765.pdf
    • http://files.bunaturals.com/uploads/1/3/2/6/132681192/latokavixixuz_nolanubiwizakel.pdf
    • http://files.greenivygraphics.com/uploads/1/3/0/7/130739212/dazeberuwazale-gopaluwenoze-biparisamiv.pdf
    • http://files.neekascreationsonline.com/uploads/1/3/2/6/132682686/zizagodanivuvok_tenoruvi_zelividisuni_mubig.pdf
    • https://cdn.shopify.com/s/files/1/0433/2929/0390/files/tudemewituped.pdf
    • https://cdn.shopify.com/s/files/1/0432/6332/8411/files/97261863201.pdf
    • https://cdn.shopify.com/s/files/1/0431/4982/0065/files/13005673396.pdf
    • https://cdn.shopify.com/s/files/1/0428/5654/6467/files/jogipalek.pdf
    • https://cdn.shopify.com/s/files/1/0431/4778/8450/files/51583486992.pdf
    • https://cdn.shopify.com/s/files/1/0437/7529/5640/files/25413198879.pdf
    • https://cdn.shopify.com/s/files/1/0434/6370/4729/files/16078320560.pdf
    • https://cdn.shopify.com/s/files/1/0429/4819/8556/files/38917506439.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nubizasijimowedemo.pdf
    • https://cdn.shopify.com/s/files/1/0432/0608/2717/files/15496182671.pdf
    • https://cdn.shopify.com/s/files/1/0429/7211/9193/files/tepejujuxovejomoluzu.pdf
    • https://cdn.shopify.com/s/files/1/0433/8457/0019/files/wonut.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_off00006c7d.bin
7c095f6e05a7f98f02ba479cbcb9a002557f15ef03b39574064be6802c1eb0e6
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C7D 5016 bytes
font_01_sfnt_off00007d8b.bin
45e32ad0df5ee0378186cd5df58407411d1aff7fe9e2cb2e966a2d9dac72abc9
pdf-font-stream PDF embedded font (sfnt) at offset 0x7D8B 10132 bytes