Malicious PDF — malware analysis report

Static analysis result for SHA-256 adf792244ab8515c…

MALICIOUS

PDF

47.7 KB Created: 2020-08-15 23:48:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86c49656da8b3fc871d4fa0591a86598 SHA-1: d9416e46f2453845098eaab68f9745fd4a3ed60e SHA-256: adf792244ab8515cb7c792c1c34c33efdc6e2fd09faab577b9997e6e02f911c9
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though corrupted, contains text suggesting it is a lure for a 'final fantasy 7 official walkthrough pdf'. The presence of a malicious redirector link indicates an attempt to lead the user to a malicious site. The file was generated by wkhtmltopdf, a tool often used to create malicious PDFs.

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.com/wb?keyword=final%20fantasy%207%20official%20walkthrough%20pdf
    • http://saruwekab.konect2us.com/uploads/1/3/1/4/131483154/4b44da863b2d.pdf
    • http://files.potomacplaymakers.org/uploads/1/3/0/7/130775992/b1902819b59ce6.pdf
    • http://files.rq3llc.com/uploads/1/3/1/4/131453045/mogafo-titenub.pdf
    • http://korabim.fulfilledshop.com/uploads/1/3/0/7/130776008/be89ae1c2.pdf
    • http://files.jcbotanicaldesigns.com/uploads/1/3/0/7/130775357/9235498.pdf
    • https://cdn.shopify.com/s/files/1/0431/4185/7448/files/wixilutekedovibukimujudij.pdf
    • https://cdn.shopify.com/s/files/1/0434/0357/5454/files/76578693552.pdf
    • https://cdn.shopify.com/s/files/1/0448/3910/8770/files/refractive_surgery_download.pdf
    • https://cdn.shopify.com/s/files/1/0435/8402/8833/files/5862275199.pdf
    • https://cdn.shopify.com/s/files/1/0432/9403/2025/files/53696064361.pdf
    • https://cdn.shopify.com/s/files/1/0437/9102/4280/files/statistical_analysis_in_psychology_and_education_ferguson.pdf
    • https://cdn.shopify.com/s/files/1/0432/5382/5704/files/23830806518.pdf
    • https://cdn.shopify.com/s/files/1/0428/4314/4355/files/kosiverig.pdf
    • https://cdn.shopify.com/s/files/1/0440/9170/3448/files/attacking_network_protocols_free.pdf
    • https://cdn.shopify.com/s/files/1/0430/4440/5397/files/ranubavomafala.pdf
    • https://cdn.shopify.com/s/files/1/0428/7702/6463/files/53587706508.pdf
    • https://cdn.shopify.com/s/files/1/0433/9659/5861/files/nosarogubikire.pdf
    • https://cdn.shopify.com/s/files/1/0437/8876/3298/files/tesiledasanerusozazukol.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_off00007a28.bin
5326a3dc03957385c716b6e2caea4b3e381fc7696ad0dc2e3ea17376a6e919d8
pdf-font-stream PDF embedded font (sfnt) at offset 0x7A28 5712 bytes
font_01_sfnt_off00008db6.bin
e2345d2cc64c79a4f83b87c370662ef4093a6ef7ea64f3cc46fff5ab6e7cc4c1
pdf-font-stream PDF embedded font (sfnt) at offset 0x8DB6 10588 bytes