Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e862af3d4ab91fa…

MALICIOUS

PDF

46.2 KB Created: 2020-08-17 10:18:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 713559514dd629800c20a868f0b89e11 SHA-1: 9d5807243941a388d52d0fcf507500574e866ecf SHA-256: 2e862af3d4ab91faefb0166150f84402f0f1057282d956f31802ba86b7ebade8
120 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=android+meaning+in+punjabi, which is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure the user to a malicious site under the guise of providing information.

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=android+meaning+in+punjabi
    • http://wovaxati.msbfitness.co/uploads/1/3/2/3/132303189/9501860.pdf
    • https://cdn.shopify.com/s/files/1/0437/2866/6785/files/silusozumujenonibaxuve.pdf
    • https://cdn.shopify.com/s/files/1/0431/6112/5013/files/vufuluxakoxipeluxi.pdf
    • https://cdn.shopify.com/s/files/1/0432/7833/6165/files/93665170866.pdf
    • https://cdn.shopify.com/s/files/1/0437/0500/8280/files/28435268973.pdf
    • https://cdn.shopify.com/s/files/1/0437/9095/8749/files/gamupo.pdf
    • https://cdn.shopify.com/s/files/1/0434/0878/5562/files/77691585718.pdf
    • https://cdn.shopify.com/s/files/1/0447/0787/2921/files/chemistry_molecular_approach.pdf
    • https://cdn.shopify.com/s/files/1/0430/6065/8330/files/58265213828.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a0c.bin
2539e43e20610b8f57a255f114534441e23a2ed07d493820db97ae2636a2ef02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A0C 5076 bytes
font_01_sfnt_off00007b1d.bin
d161fdd19ac7265718c594bac0aa8f428317387316227a6d01ec27e517bfde01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B1D 10344 bytes
font_02_sfnt_off00009e86.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9E86 4324 bytes

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