MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to external PDF files hosted on various domains. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that at least one URL redirects to known malicious infrastructure. The 'PDF_SEO_LINK_FARM' heuristic further suggests that the document is designed to create a large number of links, likely for SEO manipulation or to distribute further malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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.cc/wb?keyword=alan%20carr%20child%20and%20adolescent%20clinical%20psychology%20pdf
- http://files.diogenpro.com/uploads/1/3/0/9/130969834/9380885.pdf
- http://files.nsnaloxone.com/uploads/1/3/1/6/131637701/187473.pdf
- http://files.mygvhs.com/uploads/1/3/1/3/131379252/libuwozafe_muleduxigure_fujufawe.pdf
- http://files.mrsbscusd.com/uploads/1/3/1/4/131407155/zonutidigobi.pdf
- http://files.authorrebeccaarogers.com/uploads/1/3/1/6/131637034/wakobobo_jujorufaxeso_puxul.pdf
- http://files.dbtdelaware.com/uploads/1/3/1/1/131163563/2ca8fdf3d.pdf
- http://files.spgallagher.com/uploads/1/3/0/7/130739895/7729457.pdf
- https://nosuvul.files.wordpress.com/2020/06/pepulekafenexesedetonopo.pdf
- https://wemowuj.files.wordpress.com/2020/06/78224483332.pdf
- https://terokowexo.files.wordpress.com/2020/07/59698035334.pdf
- https://bulijedakuve.files.wordpress.com/2020/06/74867278474.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/takuz.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xekugoxozeritazol.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58014629257.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98572357872.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_off00005738.binc04d1aa06388c6059f79246240523f6f4d3884dc2ad467504cba27b6ab17c76d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5738 | 5296 bytes |
font_01_sfnt_off00006930.bind8710c11acd99d627b1679790e814a441023986f5c952db10f66cd206c3110f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6930 | 10296 bytes |
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