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 external PDF files, suggesting a link farm or SEO manipulation tactic. One prominent URL, https://ttraff.ru/pify?keyword=difference+between+inductive+and+deductive+arguments+pdf, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and appears to be a lure related to academic arguments, likely to entice users to click the malicious link.
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=difference+between+inductive+and+deductive+arguments+pdf
- http://files.msjkeeler.com/uploads/1/3/1/3/131378993/natonigelajokoxav.pdf
- http://files.dj-b-fore.com/uploads/1/3/0/7/130739269/0d59f096583e.pdf
- http://files.slitefitnessapparel.com/uploads/1/3/1/4/131453560/4617047.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/0842/6147/files/sawidalizowari.pdf
- https://cdn.shopify.com/s/files/1/0440/8947/5237/files/67334822194.pdf
- https://cdn.shopify.com/s/files/1/0434/5567/6580/files/wuresiranadufamegokez.pdf
- https://cdn.shopify.com/s/files/1/0430/3981/7890/files/98953827090.pdf
- https://cdn.shopify.com/s/files/1/0431/6630/2376/files/nisatotomeboloso.pdf
- https://cdn.shopify.com/s/files/1/0437/3836/6113/files/bakivilanogemoluvibedobu.pdf
- https://cdn.shopify.com/s/files/1/0428/8564/4447/files/93207413941.pdf
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/xenonovalusumomem.pdf
- https://cdn.shopify.com/s/files/1/0435/8583/1070/files/gavonebo.pdf
- https://cdn.shopify.com/s/files/1/0434/1301/2641/files/82669408051.pdf
- https://cdn.shopify.com/s/files/1/0437/1654/2632/files/67294732566.pdf
- https://cdn.shopify.com/s/files/1/0430/9565/4564/files/52674165698.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_off00008106.bineadd980f16e708ae12cdd0b7476794e3d31209541609a5e798a8fcb942da6d87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8106 | 5736 bytes |
font_01_sfnt_off0000948e.bin84493d6f10d70adf84dc2f71f67b5f49d080f033a7b1ddecafb939bf65fbae3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x948E | 10040 bytes |
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