PDF malware analysis — malicious · 90599868aa237f1b

MALICIOUS

PDF

41.4 KB Created: 2020-08-30 15:30:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a2900ed06137467ea20692d5ff0d39d6 SHA-1: d7996bab3ba74f7957ad6a818fabc38d3bdad2db SHA-256: 90599868aa237f1beb07ba18465233156d5952fc01df76a4552845be0496977a

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The primary malicious URL identified is ttraff.me, which is likely used to funnel victims to further malicious content. The document body contains obfuscated text and URLs, reinforcing the malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.me/wix?keyword=fluidos+tixotropicos+y+reopecticos
- https://static.usrfiles.com/ugd/b0b521_e3d7c2a6cfb347a4bf72bcb99a99abde.pdf
- https://static.usrfiles.com/ugd/b8c837_898e8e7762264120a1679a80c3bdadeb.pdf
- https://static.usrfiles.com/ugd/191a6d_c3840d885e2f4097ba87052fb4f0fa2c.pdf
- https://static.usrfiles.com/ugd/b56239_6d49ac2d57ab4b8f9b52e574e0533fe4.pdf
- https://static.usrfiles.com/ugd/b8c837_196c6694c5074fdab78e83b1d9110e4f.pdf
- https://cdn.shopify.com/s/files/1/0437/5642/1278/files/wozixiraribu.pdf
- https://cdn.shopify.com/s/files/1/0440/2610/1910/files/xemawojexepajara.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/90554063829.pdf
- https://cdn.shopify.com/s/files/1/0437/5180/0981/files/vemironawamimoj.pdf
- https://cdn.shopify.com/s/files/1/0433/8991/1194/files/35008168742.pdf
- https://cdn.shopify.com/s/files/1/0430/4932/0597/files/4724994030.pdf
- https://cdn.shopify.com/s/files/1/0431/5483/3557/files/rozilejonivupuwiwapol.pdf
- https://cdn.shopify.com/s/files/1/0438/3562/1536/files/addition_doubles_worksheet_printable.pdf
- https://cdn.shopify.com/s/files/1/0435/5332/5219/files/v_belt_cross_reference_chart.pdf
- https://static.usrfiles.com/ugd/9219f8_274846535944419383f28cf83a47ce23.pdf
- https://static.usrfiles.com/ugd/a48928_40901e77c31e48d68cf24207c9c67bc7.pdf
- https://static.usrfiles.com/ugd/32777b_553ed571ab7445d0b0810aa7cb50610a.pdf
- https://static.usrfiles.com/ugd/b8c837_f332d745aa2b48bc8a08515fda18557a.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_off0000651b.bin` `06fb5a8ef657e06bc6c7dcd6ce0efecb75ca31a1ca404ae07e90bf760ba9cbc3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x651B	4984 bytes
`font_01_sfnt_off00007628.bin` `abf961b2feab96fec8894dc9991b160f15511928fe45953944bd024a30f118ee`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7628	10144 bytes

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