Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5ea8e1ca2e6484f…

MALICIOUS

PDF

40.6 KB Created: 2020-08-03 06:15:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 63dc5bc01817e74e8f45d6fd4ab573da SHA-1: beb507a323fa6dd6bdb76465f38b20547b9c9483 SHA-256: e5ea8e1ca2e6484fbb87f5aaab5840f961e43fa367e957a411691e6bc804ff79
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though partially garbled, includes the text 'Astral projection guide' and a URL pointing to a redirector. This suggests the document is designed to lure users to malicious sites through a deceptive pretext. No scripts were extracted, limiting the analysis of further payload delivery or persistence mechanisms.

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=astral+projection+guide
    • http://files.guildhallgallery.uk/uploads/1/3/0/7/130775831/zizokemu_ravax.pdf
    • http://files.urbansoundstudio.com/uploads/1/3/1/3/131379761/9138376.pdf
    • http://files.shoplevena.com/uploads/1/3/0/7/130739614/1072577.pdf
    • http://files.yogazencenter.com/uploads/1/3/0/7/130740049/bozijuferix.pdf
    • https://cdn.shopify.com/s/files/1/0431/7511/6960/files/boniken.pdf
    • https://cdn.shopify.com/s/files/1/0431/6689/2191/files/vewudunepikege.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nenixuraxolitater.pdf
    • https://cdn.shopify.com/s/files/1/0432/5395/6758/files/86588456358.pdf
    • https://cdn.shopify.com/s/files/1/0437/3823/5031/files/25002378568.pdf
    • https://cdn.shopify.com/s/files/1/0433/5829/0070/files/44944046403.pdf
    • https://cdn.shopify.com/s/files/1/0433/8712/5927/files/71915425771.pdf
    • https://cdn.shopify.com/s/files/1/0432/0716/4064/files/wunefifogovafamun.pdf
    • https://cdn.shopify.com/s/files/1/0430/4368/4503/files/zobawuz.pdf
    • https://cdn.shopify.com/s/files/1/0431/1239/9009/files/kibulejedal.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/18396470220.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_off00005fa5.bin
b8dd23185d0f91cb250b510c984e3c3d9866e26879bdfc18d87ee55c6949293c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA5 5304 bytes
font_01_sfnt_off000071c2.bin
eea38e1776e551b861958fa909e01c72c8bb56aa96cb171837827a27b1057d21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71C2 10524 bytes

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