MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting an attempt to manipulate search engine results or distribute further malicious content. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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=songs%20of%20earth%20water%20fire%20and%20sky%20pdf
- http://files.gdni.biz/uploads/1/3/2/6/132681448/bejutegofizovif_funosal_mejisof_xapek.pdf
- http://files.ccblackburn.org/uploads/1/3/1/4/131454950/bodipunobug-voraromuf-dirinabi-kosip.pdf
- http://files.sassafrassugaringstudio.com/uploads/1/3/0/7/130740012/f24ac6c924ba9.pdf
- http://files.dinothetourist.com/uploads/1/3/1/4/131409709/6473382.pdf
- http://files.buckskinrevolution.com/uploads/1/3/1/6/131606231/bajomopuxinulijumur.pdf
- http://files.asliagirbas.com/uploads/1/3/0/7/130776841/07f27bfa0f9527.pdf
- http://files.southlandfamilyclub.com/uploads/1/3/1/3/131379371/e862cb.pdf
- http://files.rajima.net/uploads/1/3/0/9/130969225/rakewej.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://vixudapojez.files.wordpress.com/2020/06/35533763708.pdf
- https://xajuwujijiz.files.wordpress.com/2020/06/57172947201.pdf
- https://silokolotojo.files.wordpress.com/2020/07/52830865886.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2857609843.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/savowogofoxifonikili.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tefukina.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mesujegixaxufusataxa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81579197248.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061bf.bin315739e34381e2ab5f553bbb83e4c355bd56cdabd42f2ed48ac1a86e451c2346 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61BF | 5420 bytes |
font_01_sfnt_off00007431.bin67a842a9303b42e4dd31e8c95eef4adc32e91a0e031489abb5fce24adfd99232 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7431 | 10336 bytes |
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