PDF malware analysis — malicious · e300d175ba35e894

MALICIOUS

PDF

64.1 KB Created: 2020-07-31 02:12:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 05dab2a5e4c60d1ac69d5622c9ffd4f4 SHA-1: eac4d9449edf3c9987029475d66d8857e939522a SHA-256: e300d175ba35e89473772a66cc73a7123cb5fb59f910ff20fcfa7e54465992da

150 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 a redirector service known to host malicious content. The document body, though heavily obfuscated, appears to be a lure related to yoga postures, likely intended to mask the malicious intent of redirecting users to potentially harmful websites.

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=yoga+asanas+postures+with+pictures+pdf+in+english
- http://files.occultpunkshirts.com/uploads/1/3/1/0/131070597/49852e9b67cf7.pdf
- http://files.forsalepalawan.com/uploads/1/3/0/8/130874109/labidabegos_bubafofezen.pdf
- http://files.deannalorenphotography.com/uploads/1/3/1/0/131070476/4408913.pdf
- http://files.africaglobalmedia.net/uploads/1/3/2/7/132740285/nagomimuxi.pdf
- http://files.sisibcp.com/uploads/1/3/1/4/131410370/47e11ab67996.pdf
- http://files.deannalorenphotograph
- https://cdn.shopify.com/s/files/1/0428/0044/7655/files/50930407046.pdf
- https://cdn.shopify.com/s/files/1/0440/0083/7782/files/80152942589.pdf
- https://cdn.shopify.com/s/files/1/0438/3742/3776/files/65845201721.pdf
- https://cdn.shopify.com/s/files/1/0432/2738/1920/files/jufozoxuf.pdf
- https://cdn.shopify.com/s/files/1/0434/7301/0840/files/depepegukawojulaj.pdf
- https://cdn.shopify.com/s/files/1/0437/6032/0663/files/69202212014.pdf
- https://cdn.shopify.com/s/files/1/0432/2341/6987/files/xomiduwivafizelobiz.pdf
- https://cdn.shopify.com/s/files/1/0435/6902/1089/files/janusedawidolifokawiseri.pdf
- https://cdn.shopify.com/s/files/1/0433/0808/9509/files/legaxezetovederubonolidu.pdf
- https://cdn.shopify.com/s/files/1/0430/8847/8365/files/44950022881.pdf
- https://cdn.shopify.com/s/files/1/0431/7629/6614/files/35730092203.pdf
- https://cdn.shopify.com/s/files/1/0428/6647/5174/files/15966351416.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57790570823.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_off0000be77.bin` `5ff2150ea201d7b60c03610e371adaa1a83af788c82f00cddb60c801a7c4f6b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBE77	5352 bytes
`font_01_sfnt_off0000d0b7.bin` `80c4dfd0d02e7243cb7890637c1ecf2fa967f24dd25960155b6270f385b39f60`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD0B7	10012 bytes

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