PDF malware analysis — malicious · d0d833cf64d53c24

MALICIOUS

PDF

33.2 KB Created: 2020-08-01 21:07:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 569edaa3873418e65df493efd23769a1 SHA-1: 40f75ae7209015838d70c62fc871356381cdc60d SHA-256: d0d833cf64d53c24b13c09dffe3bcde63cf4fd2026052ab87ab5d34e0e150f04

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm, with many links pointing to Shopify domains, likely to improve search engine ranking for the malicious content. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is used to obscure the final destination. The document body, though heavily obfuscated, contains the URL that leads to the redirector, suggesting the primary purpose is to drive traffic to malicious infrastructure.

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=kuta+software+infinite+algebra+1+answers
- http://files.chilliranch.co.uk/uploads/1/3/0/7/130739275/5f8e7fba.pdf
- http://files.westwoodvolunteerems.org/uploads/1/3/2/8/132814674/ruzapavorapibu-mojewozobasawe-pejupip.pdf
- http://files.lilacvillagebb.com/uploads/1/3/1/8/131871621/didajisobepufe.pdf
- http://files.jasonsmithendo.com/uploads/1/3/1/4/131406060/gabivuzix.pdf
- https://cdn.shopify.com/s/files/1/0437/1133/2507/files/86806529330.pdf
- https://cdn.shopify.com/s/files/1/0435/1026/8064/files/31250729107.pdf
- https://cdn.shopify.com/s/files/1/0430/1638/8761/files/gelikararozenivobuj.pdf
- https://cdn.shopify.com/s/files/1/0436/0211/6772/files/wojoferozemi.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8758/files/99531696624.pdf
- https://cdn.shopify.com/s/files/1/0438/5597/0454/files/61342397333.pdf
- https://cdn.shopify.com/s/files/1/0433/6327/0815/files/9005977853.pdf
- https://cdn.shopify.com/s/files/1/0431/6839/9524/files/83911401676.pdf
- https://cdn.shopify.com/s/files/1/0431/2370/3970/files/30708575251.pdf
- https://cdn.shopify.com/s/files/1/0433/8712/5927/files/petijumobogag.pdf
- https://cdn.shopify.com/s/files/1/0428/5143/4652/files/82466210688.pdf
- https://cdn.shopify.com/s/files/1/0433/0956/4068/files/nololodasusipag.pdf
- https://cdn.shopify.com/s/files/1/0432/9914/3838/files/35344500068.pdf
- https://cdn.shopify.com/s/files/1/0437/8473/2829/files/34445217070.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_off0000469c.bin` `6c5f2d3dc7fd06e2156cdac5d16c41052a4e4a95996de1658f4baeaf0901938c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x469C	5188 bytes
`font_01_sfnt_off00005871.bin` `ea710a173ff372655b906f4ea5df2fa41a65f9d9ece70aa68fbbb3291b4e695c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5871	9204 bytes

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