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 external resources, including a known malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to drive traffic to potentially malicious sites. 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/pify?keyword=herido+pero+aun+caminando+libro
- http://files.hoodoohealing.net/uploads/1/3/2/7/132740930/zugugavapiz.pdf
- http://files.kasakesari.com/uploads/1/3/1/8/131860204/be5577b9.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/0318/3258/files/47880771135.pdf
- https://cdn.shopify.com/s/files/1/0435/3146/8951/files/john_deere_260_backhoe.pdf
- https://cdn.shopify.com/s/files/1/0430/5059/8562/files/78768037748.pdf
- https://cdn.shopify.com/s/files/1/0463/1933/7632/files/jijaxavirix.pdf
- https://cdn.shopify.com/s/files/1/0430/4686/2997/files/kevuxepuvitikevo.pdf
- https://cdn.shopify.com/s/files/1/0434/6878/3773/files/cambiar_a_word_descargar.pdf
- https://cdn.shopify.com/s/files/1/0431/0797/5330/files/vanav.pdf
- https://cdn.shopify.com/s/files/1/0450/6628/9302/files/15574378200.pdf
- https://cdn.shopify.com/s/files/1/0429/7415/0809/files/xudefaladutageguse.pdf
- https://cdn.shopify.com/s/files/1/0435/3641/6936/files/jokativamoj.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_off00004ed2.bin57e6e7446cd95b06b9b4f720adb2db64c2778e988d0801b29b0be11f4b04ca86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4ED2 | 5144 bytes |
font_01_sfnt_off00006027.bin29db451a6e15955be1c3c40c4b827b9aa276fdbbf95028e3a40e760a18f8a29d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6027 | 11360 bytes |
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