MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=universal+self+scorer+biology+book+pdf+download'. The document body and embedded links suggest a lure to download what appears to be a book, but ultimately leads to potentially harmful content. The ML classifier strongly supports the malicious verdict.
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=universal+self+scorer+biology+book+pdf+download
- http://files.nnhst2.org/uploads/1/3/1/1/131164081/lebirijoga.pdf
- http://xutev.windwardcbl.org/uploads/1/3/0/7/130776791/1456614.pdf
- http://files.mjtartwork.com/uploads/1/3/1/3/131384301/pirelu-vofesobeferigif.pdf
- http://files.crookedcrown.ca/uploads/1/3/2/7/132740329/rorixiliwojajasubap.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/0342/9535/files/41816889751.pdf
- https://cdn.shopify.com/s/files/1/0440/0798/1214/files/38367258070.pdf
- https://cdn.shopify.com/s/files/1/0428/7958/2374/files/baixar_filmes_mp4.pdf
- https://cdn.shopify.com/s/files/1/0428/7404/4579/files/bidukiwadusogori.pdf
- https://cdn.shopify.com/s/files/1/0434/4066/8838/files/dufozavojamusuxusiwo.pdf
- https://cdn.shopify.com/s/files/1/0435/0282/9734/files/pcat_book.pdf
- https://cdn.shopify.com/s/files/1/0428/1879/7724/files/ejercicios_para_marcar_abdomen.pdf
- https://cdn.shopify.com/s/files/1/0431/8789/6488/files/jaxaxonixetenevepoxiregu.pdf
- https://cdn.shopify.com/s/files/1/0434/7654/9798/files/gonomakedoki.pdf
- https://cdn.shopify.com/s/files/1/0429/7513/3859/files/73526560146.pdf
- https://cdn.shopify.com/s/files/1/0428/7086/6076/files/32138254707.pdf
- https://cdn.shopify.com/s/files/1/0437/0841/6165/files/85416103974.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_off00005993.bin36f89becb244dc24616223c58d0b3753b1bf4c6fcb680235e005acc03ee1270c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5993 | 5772 bytes |
font_01_sfnt_off00006d64.binc67ec333275142372f7872a28e4707872bccb7ff42ea3f8dd34338d65dd2201b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D64 | 14756 bytes |
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