Malicious PDF — malware analysis report

Static analysis result for SHA-256 f142d0075871fc8a…

MALICIOUS

PDF

72.3 KB Created: 2020-08-19 03:45:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41220a533580837d0479d5698f4e1f2a SHA-1: ad465cb50cdec24f5ab6b3df84dd225b576a851a SHA-256: f142d0075871fc8a8ec71e8080ae4de5db38edce5319d4a74022026b954d6b82
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, which is disguised with a keyword related to 'Bollywood action movies 2018'. This suggests a phishing or social engineering attack aimed at redirecting users to malicious content. The PDF also contains a large number of links to other PDFs hosted on Shopify, likely as part of a link farm to improve search engine ranking for the malicious content. No scripts were extracted from this sample.

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/pify?keyword=bollywood+action+movies+2018
    • http://masuja.calvarybaptistwinamac.org/uploads/1/3/0/8/130874246/zoris-vepoma.pdf
    • http://files.myonlinehomeopath.com/uploads/1/3/1/0/131069763/3420275.pdf
    • https://cdn.shopify.com/s/files/1/0436/5287/4390/files/13066659603.pdf
    • https://cdn.shopify.com/s/files/1/0435/3651/5221/files/74944807635.pdf
    • https://cdn.shopify.com/s/files/1/0432/0667/2546/files/xemamazarewegegesigis.pdf
    • https://cdn.shopify.com/s/files/1/0428/7542/0835/files/21385990459.pdf
    • https://cdn.shopify.com/s/files/1/0430/6403/3429/files/tavenotigoni.pdf
    • https://cdn.shopify.com/s/files/1/0427/4431/6070/files/zalidepumaguxuzo.pdf
    • https://cdn.shopify.com/s/files/1/0429/1903/5033/files/406906188.pdf
    • https://cdn.shopify.com/s/files/1/0427/8976/5276/files/5760086830.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009f3f.bin
7a2a5c67794fd10c85728bd7992b4e5dfa942eae02043407641d6e022516e5f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F3F 5812 bytes
font_01_sfnt_off0000b318.bin
66a9d7ffe2d63e3c1cc7adf888e3d55ef0aa15c709ae9f12e3421e0914958db0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB318 15740 bytes
font_02_sfnt_off0000e430.bin
e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE430 16164 bytes
font_03_sfnt_off0000f983.bin
33f55cde77552edb672300a29dcb3cf2479825f3a407e3594a6468608aca7210		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF983 7664 bytes

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