PDF malware analysis — malicious · 970bd36e69decfa9

MALICIOUS

PDF

56.5 KB Created: 2020-07-31 00:58:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4111b0447971a8c3aa6e6f7b24fb67de SHA-1: 0aa9a02e4c2305bd431b628bd5eb56e3393309d5 SHA-256: 970bd36e69decfa9ba96967351e7ea7da60dd8dc6e93ee89295ccfeb884f3e02

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. Additionally, it exhibits a PDF SEO link farm, with numerous links to external PDFs hosted on shopify.com and other domains. The embedded document body text is heavily obfuscated and appears to be metadata rather than user-readable content, making it difficult to ascertain the exact lure. The primary attack vector appears to be social engineering via a malicious link within the PDF.

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=arcsight+siem+training+pdf
- http://files.fiberenvy.net/uploads/1/3/2/7/132710772/mijagosoziduxazazimi.pdf
- http://files.cpaforfamilywealth.com/uploads/1/3/0/7/130775868/075bb.pdf
- http://files.hogriverhg.com/uploads/1/3/0/7/130775970/9134134.pdf
- http://files.mindbody-solutions.net/uploads/1/3/1/4/131453917/a4bd0bd5.pdf
- http://files.quantummentalfitness.com/uploads/1/3/2/6/132681660/putevine.pdf
- https://cdn.shopify.com/s/files/1/0428/5405/6092/files/95346392585.pdf
- https://cdn.shopify.com/s/files/1/0428/9229/6358/files/nuveledazufadumesoke.pdf
- https://cdn.shopify.com/s/files/1/0428/5035/3318/files/vifiwafevupumafobefut.pdf
- https://cdn.shopify.com/s/files/1/0440/1600/9374/files/13724454469.pdf
- https://cdn.shopify.com/s/files/1/0430/2100/9053/files/fapawigobipadixekuli.pdf
- https://cdn.shopify.com/s/files/1/0429/7624/7967/files/fedumidafenebo.pdf
- https://cdn.shopify.com/s/files/1/0436/4802/4741/files/44508413790.pdf
- https://cdn.shopify.com/s/files/1/0430/2438/4154/files/84795113577.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/63664934928.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tobilefoseparavako.pdf
- https://cdn.shopify.com/s/files/1/0437/8466/7287/files/melapitod.pdf
- https://cdn.shopify.com/s/files/1/0433/9469/5329/files/40572506313.pdf
- https://cdn.shopify.com/s/files/1/0434/6567/0806/files/41832150385.pdf
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/61368631224.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00009edd.bin` `5003305cb2b2cc7fcbdded2807179bfe36d82f2b6d799bf43790aee5bd561a15`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9EDD	5204 bytes
`font_01_sfnt_off0000b05c.bin` `995e29fe70378f0a378af89cd074fcd41dbf05ec7b2a3f7c8cfd3e3651b21588`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB05C	10620 bytes

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