MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated, but the presence of numerous external PDF links suggests a link farm or redirection scheme, potentially for SEO manipulation or to host further malicious content.
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/pify?keyword=biconical+antenna+pdf
- http://files.mobadanceacademyus.com/uploads/1/3/1/0/131070230/2b82cfd.pdf
- http://files.tambowthewombat.com/uploads/1/3/0/7/130739369/netitobegavid-bisanudebifef.pdf
- http://files.lightyearspress.com/uploads/1/3/2/6/132681812/xekogaraxubogozejo.pdf
- http://files.lechicacademy.com/uploads/1/3/1/3/131398507/tekoj.pdf
- http://files.petetherockman.org/uploads/1/3/2/6/132680855/9c8660d4e36320.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6299/2795/files/kofiguwekukimized.pdf
- https://cdn.shopify.com/s/files/1/0436/9154/0634/files/60092005146.pdf
- https://cdn.shopify.com/s/files/1/0432/9455/6320/files/zapopuvulonabusorini.pdf
- https://cdn.shopify.com/s/files/1/0431/2170/5124/files/xojelelagenado.pdf
- https://cdn.shopify.com/s/files/1/0440/5365/9798/files/28117295978.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rerotapok.pdf
- https://cdn.shopify.com/s/files/1/0430/6049/4490/files/88109230730.pdf
- https://cdn.shopify.com/s/files/1/0434/9332/7008/files/detunivikul.pdf
- https://cdn.shopify.com/s/files/1/0429/8306/3715/files/57967563321.pdf
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/89735843086.pdf
- https://cdn.shopify.com/s/files/1/0434/9159/0308/files/28040828520.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gikari.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_off000074db.bin56c2d308451c6838ff9b3a8d4e5e90d57c13efbe3974645c3809334d72cc072c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74DB | 4712 bytes |
font_01_sfnt_off000084e2.bin366b4c15f6338e329b9915e338bb935d5ab7c114ba032d06eff1c7a9f6dc4432 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84E2 | 9948 bytes |
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