MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One of the primary links directs to a known malicious redirector, suggesting an attempt to lead users to malicious content. The ML classifier also strongly indicated maliciousness.
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=aeronautical%20charts%20pdf
- http://files.lylcdc.org/uploads/1/3/1/4/131453401/nedidusolonubul_soloxe.pdf
- http://files.hinkinhistory.com/uploads/1/3/2/6/132682124/3d53d7fa8db1.pdf
- http://sonumadu.nancyloewen.net/uploads/1/3/2/6/132681947/tepetedoranagemabivo.pdf
- http://files.charleysincorporation.com/uploads/1/3/0/9/130969211/2836086.pdf
- http://files.maureenriley.org/uploads/1/3/1/6/131607054/bunudimiwa-zojiba-ruxuk.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/8241/6281/files/wimegadomaxeposijiw.pdf
- https://cdn.shopify.com/s/files/1/0434/5918/2745/files/the_jig_is_up_song.pdf
- https://cdn.shopify.com/s/files/1/0428/1935/4791/files/24573292607.pdf
- https://cdn.shopify.com/s/files/1/0430/0167/5939/files/sales_skills_and_techniques.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/17612659915.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65233410578.pdf
- https://cdn.shopify.com/s/files/1/0429/8371/9071/files/etiology_of_diabetes_mellitus_type_2.pdf
- https://cdn.shopify.com/s/files/1/0433/8620/8406/files/autocad_3d_free.pdf
- https://cdn.shopify.com/s/files/1/0429/9007/6057/files/lefijopusujinanoguke.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_off00006214.bin9fd637834d74346ab754c460d0d224cc4b1df4511dbcd8bb823b6cd6ef8b1b9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6214 | 5232 bytes |
font_01_sfnt_off000073d0.bina0c688085a38e10d88372d9c81e3105d56faa77909fffc887f0e8103f0d199a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73D0 | 9852 bytes |
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