MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body disguised as a manual. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The ML classifier strongly indicates maliciousness. The primary attack vector appears to be directing users to malicious infrastructure via a deceptive link.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Embedded URL info EMBEDDED_URLOne 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/wb?keyword=aikon%20f42020%20manual
- http://files.oriental-collection.com/uploads/1/3/1/8/131856188/649c415eed1db8.pdf
- http://files.massmediamaker.com/uploads/1/3/1/8/131871980/mijimeko-bekub-kikakede-jemuxerarotigok.pdf
- http://files.heatherseagraves.com/uploads/1/3/2/3/132302774/nufigidoruz-reverime-mojavo.pdf
- https://cdn.shopify.com/s/files/1/0432/1447/1330/files/valojer.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8584587797.pdf
- https://cdn.shopify.com/s/files/1/0433/6464/7077/files/rugenijunekolalifenu.pdf
- https://tizatovizux184684867.files.wordpress.com/2020/07/1313303145.pdf
- https://kupakibavu.files.wordpress.com/2020/06/86855970709.pdf
- https://vewulox.files.wordpress.com/2020/07/luxupez.pdf
- https://xuvugumodad.files.wordpress.com/2020/07/sufuxotevewedovetironomal.pdf
- https://cdn.shopify.com/s/files/1/0431/7256/1050/files/34288459079.pdf
- https://cdn.shopify.com/s/files/1/0433/6100/9829/files/64591692374.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/geligup.pdf
- https://cdn.shopify.com/s/files/1/0435/4513/3207/files/vumutazemazemej.pdf
- https://cdn.shopify.com/s/files/1/0432/8783/8886/files/5044687653.pdf
- https://cdn.shopify.com/s/files/1/0433/1008/8360/files/15281864180.pdf
- https://cdn.shopify.com/s/files/1/0433/0831/8878/files/54471082606.pdf
- https://cdn.shopify.com/s/files/1/0428/9911/2099/files/zifurawijenuzob.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/
- https://kupakibavu.files.wordpress.com/2020/06/868
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007fc6.bin90be134a91c0f7afa0b0da31b13c326293fb9babc1a3e396333bc623547f84f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FC6 | 4736 bytes |
font_01_sfnt_off00008fbe.bin37cf5f37575ea365c0c5eddd6608769670b6efdd335607f6c4284fbcca6503f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FBE | 10256 bytes |
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