Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdd8845ee5d18b10…

MALICIOUS

PDF

32.8 KB Created: 2020-08-18 20:28:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 465ad5075960003441ef9a94ed739692 SHA-1: 8fc49508abb78c64bc2af489e30f22a6a2350775 SHA-256: fdd8845ee5d18b104a7ce9f1b40bd7d6082e76d26dd8f64c99459d5dc0a83b09
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a reference to the same malicious URL. This suggests the primary goal is to redirect the user to a malicious site, likely for phishing or to download further malware. No scripts were extracted, limiting the analysis of specific execution techniques.

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.cc/pify?keyword=alita+battle+angel+game+android
    • http://soxenonu.fantabulousfacepainting.com/uploads/1/3/2/7/132740449/fuxesurifedosiguv.pdf
    • http://zeriwesop.rtceramics.com/uploads/1/3/0/7/130775934/basonevipixan.pdf
    • http://files.thefocusprinciple.com/uploads/1/3/1/3/131380944/tazigozirurita.pdf
    • http://dimimep.wheteach.org/uploads/1/3/1/4/131453870/6ba3812.pdf
    • http://pojodizo.themathprofs.com/uploads/1/3/1/4/131437919/biwowalofaxanu.pdf
    • https://cdn.shopify.com/s/files/1/0437/7070/8125/files/john_butler_primary_college_uniform.pdf
    • https://cdn.shopify.com/s/files/1/0432/6909/5590/files/guxebolupiwex.pdf
    • https://cdn.shopify.com/s/files/1/0431/4107/1016/files/kogidonivabisudezekapamu.pdf
    • https://cdn.shopify.com/s/files/1/0430/4742/0066/files/batugi.pdf
    • https://cdn.shopify.com/s/files/1/0441/4029/8392/files/tesodusijupafuwapulixiv.pdf
    • https://cdn.shopify.com/s/files/1/0431/0564/8807/files/ruvipinevapif.pdf
    • https://cdn.shopify.com/s/files/1/0439/4100/3432/files/dajigiguba.pdf
    • https://cdn.shopify.com/s/files/1/0433/7667/2918/files/vimufigoginag.pdf
    • https://cdn.shopify.com/s/files/1/0431/8196/5461/files/81912149454.pdf
    • https://cdn.shopify.com/s/files/1/0441/3744/7576/files/33875386034.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_off00004429.bin
fe322e94a139755d4e6621072b97ab86d47d13869c66313f723d8aaf88f24eab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4429 5096 bytes
font_01_sfnt_off0000555a.bin
c8749445c63122d829d1e69e6a07a0230a17968f32d8041dde5a2bfe45afa8de		 pdf-font-stream PDF embedded font (sfnt) at offset 0x555A 9668 bytes

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