MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one identified as a malicious redirector pointing to 'ttraff.ru'. The document body, though heavily obfuscated, suggests a lure related to educational materials. The presence of numerous external links, including a link farm, indicates an attempt to distribute content or redirect users to malicious sites. The ML classifier strongly flagged this PDF as malicious.
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=btec+national+engineering+student+book+pdf
- http://files.akidsplace-huntingburg.org/uploads/1/3/0/7/130738894/werinaxarilevak.pdf
- http://files.tfmusicparents.com/uploads/1/3/1/6/131637419/8e8939f3.pdf
- http://files.dalymanningopticians.com/uploads/1/3/1/4/131437377/f3e748.pdf
- http://files.charltonkupaahee.com/uploads/1/3/0/9/130968926/eb144.pdf
- https://cdn.shopify.com/s/files/1/0429/9590/8761/files/bidaroke.pdf
- https://cdn.shopify.com/s/files/1/0430/3906/4225/files/30635696550.pdf
- https://cdn.shopify.com/s/files/1/0431/9654/7230/files/15810873223.pdf
- https://cdn.shopify.com/s/files/1/0427/7737/8972/files/fagazewedur.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51191810805.pdf
- https://cdn.shopify.com/s/files/1/0433/5144/1563/files/kibajudugesalam.pdf
- https://cdn.shopify.com/s/files/1/0430/6419/7273/files/30912398532.pdf
- https://cdn.shopify.com/s/files/1/0439/1141/3912/files/78895103101.pdf
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/78819802283.pdf
- https://cdn.shopify.com/s/files/1/0433/2004/9822/files/50777092215.pdf
- https://cdn.shopify.com/s/files/1/0437/9148/3041/files/75821843490.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lalosukiwafigoledexefes.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/
- https://cdn.shopify.com/s/files/1/0427/7737/8972/files/faga
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000055ab.bin25774672cedb4da4cd187dcbacfddcb98e6c4611226602aee2b756ae27e5891b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55AB | 5460 bytes |
font_01_sfnt_off0000683a.bin282bca4cb38c027db097d35a7bcaccb74dff17708d84148d4f03d19e5ce50a72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x683A | 9528 bytes |
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