PDF malware analysis — malicious · 38eea97491aa237b

MALICIOUS

PDF

49.6 KB Created: 2020-08-02 23:25:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4a42e87e2c07c535be61571078925221 SHA-1: 97f30a0f0d78e36f64527441fc2a89b3fc3e0eb7 SHA-256: 38eea97491aa237b7cd5129eb9a7ae1796bb163a427fe7dad7ea79b2992e4eab

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=max+of+list+python'. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The file's purpose appears to be to redirect users to malicious infrastructure through this link farm.

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.ru/pify?keyword=max+of+list+python
- http://files.bronzeleonleonbergers.com/uploads/1/3/1/3/131398194/3472526.pdf
- http://files.ridgemontresources.com/uploads/1/3/0/7/130775387/jejefi.pdf
- http://files.ralphmason.co.uk/uploads/1/3/2/8/132815123/ronilugufagubag.pdf
- http://files.candctreeservicega.com/uploads/1/3/2/7/132740541/7614029.pdf
- https://cdn.shopify.com/s/files/1/0429/7352/8213/files/11546367944.pdf
- https://cdn.shopify.com/s/files/1/0429/9322/1783/files/megukamokurapozum.pdf
- https://cdn.shopify.com/s/files/1/0429/1995/2550/files/79860386209.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78649322563.pdf
- https://cdn.shopify.com/s/files/1/0428/8937/9993/files/converter_lb_to_kg.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41758367329.pdf
- https://cdn.shopify.com/s/files/1/0431/0587/8173/files/30553290658.pdf
- https://cdn.shopify.com/s/files/1/0431/8144/1181/files/71024326936.pdf
- https://cdn.shopify.com/s/files/1/0429/1067/9203/files/3630501858.pdf
- https://cdn.shopify.com/s/files/1/0428/3439/5295/files/24090559768.pdf
- https://cdn.shopify.com/s/files/1/0433/4652/6361/files/14516189544.pdf
- https://cdn.shopify.com/s/files/1/0431/2757/0596/files/mivita.pdf
- https://cdn.shopify.com/s/files/1/0434/3952/1959/files/vupumubaxafojowaju.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_off00006645.bin` `e8d2ead954a86d4c9863103f3ffef22b19ad6c32b531ae0f82c45afcbd6d3032`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6645	5068 bytes
`font_01_sfnt_off000077a4.bin` `2c5e08e30303ecc4fcc3379326ddf6c3c1643bbdddaa044ccf94882499bb4c74`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77A4	13924 bytes
`font_02_sfnt_off0000a3ef.bin` `cb8b0c3b75634a3ac40028f3142d2b99dbff9c8bfe93654f62892c2eba89f065`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA3EF	16336 bytes

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