MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, with one specifically identified as a malicious redirector. The ML classifier strongly indicated maliciousness, and the presence of a link farm suggests an attempt to distribute malicious content or engage in SEO abuse. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the lure.
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=antiphonarium+cento+pdf
- http://files.thestationsf.com/uploads/1/3/1/8/131856723/624b4c8d369f6c.pdf
- http://zifepun.tuckinphx.com/uploads/1/3/0/7/130738614/3516416.pdf
- http://files.futurestarsathletictraining.com/uploads/1/3/1/6/131637306/sibusetarapuluwop.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/telecharger_encyclopedia_universalis.pdf
- https://cdn.shopify.com/s/files/1/0432/7663/2214/files/gibanafusal.pdf
- https://cdn.shopify.com/s/files/1/0432/6119/8491/files/vilusapuwatupusizopujus.pdf
- https://cdn.shopify.com/s/files/1/0427/6404/2396/files/kidofunuwukokelufovun.pdf
- https://cdn.shopify.com/s/files/1/0428/4658/4999/files/sozoxegigamibotuxiretega.pdf
- https://cdn.shopify.com/s/files/1/0429/6625/3724/files/bonfire_of_the_vanities_book.pdf
- https://cdn.shopify.com/s/files/1/0432/5661/0969/files/pasavobomufodatu.pdf
- https://cdn.shopify.com/s/files/1/0430/9362/2935/files/87905615215.pdf
- https://cdn.shopify.com/s/files/1/0430/0632/8995/files/68658888463.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000079d1.bin8edb25d0600dd8045c33b0d28e8e9ec937cca6638f8f66ae8707334d0658fbd5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79D1 | 5056 bytes |
font_01_sfnt_off00008ac2.bind0cfd7c1c3959a104460c492bc0ae0c95261457651f89700af5ced1544a7254a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AC2 | 10428 bytes |
font_02_sfnt_off0000ae0d.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE0D | 4324 bytes |
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