PDF malware analysis — malicious · d64e77a44ce9b90e

MALICIOUS

PDF

37.1 KB Created: 2020-08-02 14:49:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a2b03a7b19180c82882a4ddc3c140221 SHA-1: d2e8c68d519c2512e3218258bbcf8f8fb3bca551 SHA-256: d64e77a44ce9b90ead6dd20102b9c4602e66b115522cf923de8f12181f7b6937

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm designed to lure users with a 'free movie' lure, directing them to a malicious redirector. The ML classifier strongly indicated maliciousness, and the PDF structure itself contains numerous links to external resources, many hosted on Shopify, likely for SEO poisoning or distributing further payloads. The primary malicious URL identified is https://ttraff.ru/pify?keyword=tangled+full+movie+free.

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.ru/pify?keyword=tangled+full+movie+free
- http://files.baytreelakesnc.com/uploads/1/3/1/8/131856041/14d623d.pdf
- http://files.landtoseasurvival.co.uk/uploads/1/3/1/1/131163872/1234414.pdf
- http://files.ramiroplumb.com/uploads/1/3/1/3/131384778/f1bb87dd47b1.pdf
- http://files.turninghearts.co.uk/uploads/1/3/1/4/131453006/8563540.pdf
- http://files.thecalmscribe.ca/uploads/1/3/1/4/131438758/5eae7.pdf
- https://cdn.shopify.com/s/files/1/0428/6929/3223/files/guniwamimexi.pdf
- https://cdn.shopify.com/s/files/1/0438/6573/5328/files/63907391529.pdf
- https://cdn.shopify.com/s/files/1/0428/3380/5471/files/sewodupirajipigepotegixu.pdf
- https://cdn.shopify.com/s/files/1/0433/6464/7077/files/93053221540.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30151397197.pdf
- https://cdn.shopify.com/s/files/1/0434/3031/4133/files/95519415949.pdf
- https://cdn.shopify.com/s/files/1/0430/4519/1841/files/36494185221.pdf
- https://cdn.shopify.com/s/files/1/0431/0656/6306/files/93076140430.pdf
- https://cdn.shopify.com/s/files/1/0430/4571/6129/files/79886301803.pdf
- https://cdn.shopify.com/s/files/1/0434/9778/3458/files/58850872338.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/27482348981.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23651487672.pdf
- https://cdn.shopify.com/s/files/1/0428/1411/1903/files/84562035286.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_off00005415.bin` `b052f704b2a172ecbfad6fc0a58d6893a15d65216fd9887736174e7fa70b5f2c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5415	5060 bytes
`font_01_sfnt_off00006541.bin` `ab5ec9fffce6d9eb0a7bfb8b35f2ac2a28e0e3db7054a8a718055e6c1d96c2c0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6541	10180 bytes

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