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, many of which point to a redirector URL known to host malicious content. The document body, though heavily obfuscated, also contains the redirector URL, suggesting an attempt to lure the user to a malicious site. The ML classifier strongly indicated maliciousness, supporting the heuristic findings.
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/pify?keyword=cadena+de+valor+pdf+porter
- http://files.fcampagnari.com/uploads/1/3/1/6/131636654/gisidixobujur.pdf
- http://files.lincolnfencecontractors.com/uploads/1/3/2/6/132681938/7c5f525598fb.pdf
- http://files.cindyhuntermorgan.com/uploads/1/3/1/4/131406606/1764b6c.pdf
- http://files.spice-grind.com/uploads/1/3/1/4/131453354/sisiluxedifoboxuget.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/9322/0758/files/98739304951.pdf
- https://cdn.shopify.com/s/files/1/0431/5385/0528/files/38717869137.pdf
- https://cdn.shopify.com/s/files/1/0433/2060/6885/files/gerunigug.pdf
- https://cdn.shopify.com/s/files/1/0431/4192/2982/files/piduwukobovawikupe.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6624/files/30768312033.pdf
- https://cdn.shopify.com/s/files/1/0430/8316/9943/files/23338317885.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kitona.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2125/files/63850478064.pdf
- https://cdn.shopify.com/s/files/1/0429/8702/8641/files/75494247985.pdf
- https://cdn.shopify.com/s/files/1/0428/5323/6902/files/29333524029.pdf
- https://cdn.shopify.com/s/files/1/0434/3015/0300/files/25167557009.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_off00006b67.bin86097af4a3c1c2223b5503b34391b39c07d0794e286c4670f52f5082d1c9e034 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B67 | 4824 bytes |
font_01_sfnt_off00007be3.bin82bf6f84520f1ba0690661106b742b77651cc20ed22fe3bd688147c1af40d495 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BE3 | 11616 bytes |
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