PDF malware analysis — malicious · 97fda3f43b8ac1ce

MALICIOUS

PDF

48.6 KB Created: 2020-08-31 00:41:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c2ad8bc23f4ffc21c1fc30c56fa24dbe SHA-1: a10766cacb3d8cca40501afc1cdac7d1a0230671 SHA-256: 97fda3f43b8ac1ce78f87efb69f1ef6cc4cbe2e1e0d4511151c2118f3a833f7b

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a mass of external links, including a critical redirector link to ttraff.cc, disguised as nutritional information. This suggests a phishing or scam attempt to lure users to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted, but the embedded URLs are sufficient to determine the attack pattern.

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.cc/wix?keyword=leche+desnatada+valor+nutricional
- https://cdn.shopify.com/s/files/1/0432/8561/0654/files/81368444690.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20659662050.pdf
- https://cdn.shopify.com/s/files/1/0434/0216/6428/files/10474637707.pdf
- https://cdn.shopify.com/s/files/1/0432/5949/4555/files/nodexule.pdf
- https://cdn.shopify.com/s/files/1/0432/3006/8894/files/78700772400.pdf
- https://static.usrfiles.com/ugd/ef7b09_4d148b95c2b5475db446ec8b6177eb95.pdf
- https://static.usrfiles.com/ugd/b8c837_d49cddcac9fe473ba4c0d60ba5c2a61f.pdf
- https://static.usrfiles.com/ugd/b8c837_f08d4455223d4501a91f53f91d3fba49.pdf
- https://static.usrfiles.com/ugd/d4da64_4afe8d5241c64c4e8053ec4dad6d0a2f.pdf
- https://static.usrfiles.com/ugd/b7ab08_a92bc967b06348529a8a6dc0a4eadfc9.pdf
- https://static.usrfiles.com/ugd/b8c837_22369135569249eba7d94d423d4ad4c9.pdf
- https://static.usrfiles.com/ugd/f55bec_c42a8b62fd704e50942f14bcfb12d49c.pdf
- https://static.usrfiles.com/ugd/79e0dc_52e14b0df2f64bc788e215ce2b712f3f.pdf
- https://static.usrfiles.com/ugd/22bf55_cca4d0e429e24e87b3f5249d4343b833.pdf
- https://static.usrfiles.com/ugd/b8c837_ef403b0c606d477e9fae24e17ab10a88.pdf
- https://static.usrfiles.com/ugd/4f270c_d8b386d1d3254481977d3064fcd5a86d.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006f1a.bin` `47c97f86655f60c88ada4b979f4f18b06e16f54d0d1e90394829ff11f67a2ebf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F1A	4908 bytes
`font_01_sfnt_off00007fbb.bin` `b559e219470dc969591f9d54f7dfb57f0e78854c3d22cfce3b41613ee7969518`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FBB	11832 bytes
`font_02_sfnt_off0000a5c6.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA5C6	4324 bytes

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