MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious File: Malicious PDF
The PDF document contains a large number of embedded links, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external PDF link farm, suggesting an attempt to manipulate search results or distribute further malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=autumn+leaves+piano+notes+pdf
- http://files.idajaneeyelashextensions.com/uploads/1/3/2/6/132695493/1862757.pdf
- http://files.divinedonutsusa.com/uploads/1/3/2/6/132683330/fozexofowadel-zewenavaxuse-nereki-labedum.pdf
- http://files.nidinidi.ca/uploads/1/3/0/7/130776641/eee6f076364.pdf
- http://files.tehyadiamond.com/uploads/1/3/1/6/131606331/e59011.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/7300/3939/files/lorivinosolunitaxubi.pdf
- https://cdn.shopify.com/s/files/1/0428/4016/2470/files/66052282848.pdf
- https://cdn.shopify.com/s/files/1/0429/0061/9423/files/weteg.pdf
- https://cdn.shopify.com/s/files/1/0441/4350/9656/files/barney_i_love_you_song_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0439/6482/5758/files/63690995620.pdf
- https://cdn.shopify.com/s/files/1/0429/6228/8793/files/melutiwer.pdf
- https://cdn.shopify.com/s/files/1/0431/4628/1122/files/24815631056.pdf
- https://cdn.shopify.com/s/files/1/0433/5517/7109/files/58137056765.pdf
- https://cdn.shopify.com/s/files/1/0434/4443/7144/files/fefejurusol.pdf
- https://cdn.shopify.com/s/files/1/0437/0078/1208/files/firajebe.pdf
- https://cdn.shopify.com/s/files/1/0438/3126/3394/files/kidogibunowigelulan.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_off000042cf.binb2c60ef1302b55ebc57580a8b0b7ed482d238c56377911de50675ce56c63b94c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x42CF | 5140 bytes |
font_01_sfnt_off00005446.bin8408f7edf772b1d7aecd8e7cd3a04dcbcb9be2b525c656655689d7fc77c8076b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5446 | 9492 bytes |
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