MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, includes a URL that appears to be the same as the malicious redirector. The ML classifier strongly indicates maliciousness, and the PDF structure suggests it's designed to host a link farm, likely for SEO poisoning or redirecting users to malicious sites.
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.ru/pify?keyword=areas+sensoriales+de+la+corteza+cerebral+pdf
- http://fodar.louisianactf.org/uploads/1/3/0/9/130969858/af42658bd7b6.pdf
- http://fivaj.whakamaramaschool.com/uploads/1/3/2/6/132682892/zefibe.pdf
- http://files.stjohnclare.org/uploads/1/3/1/1/131164460/biwesuf_nenabesunu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/4253/6604/files/doviwin.pdf
- https://cdn.shopify.com/s/files/1/0441/1247/8360/files/piratolalapuzutised.pdf
- https://cdn.shopify.com/s/files/1/0437/3915/2535/files/dixututisusuxudimaruma.pdf
- https://cdn.shopify.com/s/files/1/0433/1631/4277/files/69545668161.pdf
- https://cdn.shopify.com/s/files/1/0431/0158/5570/files/waxewowidapaxu.pdf
- https://cdn.shopify.com/s/files/1/0431/5227/7670/files/78845122509.pdf
- https://cdn.shopify.com/s/files/1/0432/0477/1999/files/bubulubole.pdf
- https://cdn.shopify.com/s/files/1/0429/8578/3447/files/android_close_keyboard.pdf
- https://cdn.shopify.com/s/files/1/0430/2327/0042/files/sebakamosisego.pdf
- https://cdn.shopify.com/s/files/1/0434/2513/6792/files/78480586405.pdf
- https://cdn.shopify.com/s/files/1/0427/8150/7740/files/mazoxu.pdf
- https://cdn.shopify.com/s/files/1/0434/5180/9957/files/bamexidarigemivolejijufuj.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_off0000bf20.bin36ac73473087b1b8d74cc2ab7c5dd73dbce8b958a603012100d883ba96ab62f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF20 | 5328 bytes |
font_01_sfnt_off0000d14d.bin183741d93627ea7fc0e20b953b6c3ac08fd2bfc8620d361c8ed22b2df1109688 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD14D | 10236 bytes |
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