MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with one pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body appears to be corrupted or obfuscated, preventing a clear understanding of its specific lure, but the presence of a malicious redirector and a link farm suggests an attempt to drive traffic 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.cc/pify?keyword=tablatura+concierto+de+aranjuez+pdf
- http://files.sophiedesousa.com/uploads/1/3/0/8/130874125/dalukesifogodeti.pdf
- http://files.medisysprepares.org/uploads/1/3/1/1/131164446/lapuzusexagokaf.pdf
- http://files.giscnr.com/uploads/1/3/0/7/130739996/60ec69ef.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5407/9910/files/pokuwujino.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49893706483.pdf
- https://cdn.shopify.com/s/files/1/0428/2207/4534/files/nufofosapilakunemurezer.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bifivejeg.pdf
- https://cdn.shopify.com/s/files/1/0436/2698/7680/files/tikogedewikizi.pdf
- https://cdn.shopify.com/s/files/1/0438/2133/4688/files/19893619526.pdf
- https://cdn.shopify.com/s/files/1/0429/1143/2867/files/liranomuzipolobu.pdf
- https://cdn.shopify.com/s/files/1/0435/3343/5029/files/96767805406.pdf
- https://cdn.shopify.com/s/files/1/0440/2728/1558/files/61185205251.pdf
- https://cdn.shopify.com/s/files/1/0436/0221/5069/files/miwinidafupupuxutiva.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/pitik.pdf
- https://cdn.shopify.com/s/files/1/0427/6633/6166/files/xotopawilopimapaxibisetu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ligumugazawebamupewav.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_off0000a731.bin4d4265fafbfd8ce09131cca06822bf67fc6f17b007cb455633b070b3d0a248ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA731 | 5068 bytes |
font_01_sfnt_off0000b876.bina41fda9a1898d451762325d83b7d17eac6dd376ed000e978d59a863cad5cd75a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB876 | 15544 bytes |
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