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 a redirector service known to host malicious content. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be directing users to potentially harmful websites through a link farm.
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.com/pify?keyword=bosquejos+evangelisticos+cortos+pdf
- http://geweja.comteachers.com/uploads/1/3/1/4/131437601/lebubudulowes.pdf
- http://files.2wolvesinc.com/uploads/1/3/0/9/130969381/d5b37d08ff72.pdf
- http://tufalara.lotusloveonline.com/uploads/1/3/1/4/131406893/bulunexa-sizajofirono-kalamovalodo-binijuxun.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/6134/6466/files/2523181559.pdf
- https://cdn.shopify.com/s/files/1/0428/7994/2812/files/circuito_de_la_comunicacion.pdf
- https://cdn.shopify.com/s/files/1/0427/6004/4710/files/fidubavibevofoxizi.pdf
- https://cdn.shopify.com/s/files/1/0431/8268/6370/files/88622436451.pdf
- https://cdn.shopify.com/s/files/1/0429/0134/0319/files/mee6_clear_chat.pdf
- https://cdn.shopify.com/s/files/1/0431/8127/7348/files/jetitunezuloxe.pdf
- https://cdn.shopify.com/s/files/1/0436/2980/5726/files/26991884770.pdf
- https://cdn.shopify.com/s/files/1/0432/3885/0724/files/exercice_d_orthographe_cm2.pdf
- https://cdn.shopify.com/s/files/1/0433/6808/7717/files/25328121317.pdf
- https://cdn.shopify.com/s/files/1/0433/6317/2502/files/59654217586.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zekimopesafirizaxos.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_off00006324.bind4979dc9f6e90a45068bb5c76773c2ff2f12b5cbc88cd4452d5811a3a51536dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6324 | 5636 bytes |
font_01_sfnt_off00007669.bin79eeca38e769cea0b6841941137f9acf67d99b729dc3947f29b1e45079cb20cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7669 | 12016 bytes |
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