MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.com'. The document body also contains this URL along with numerous other PDF links, suggesting a link farm or redirection attempt. The ML classifier also strongly flagged this PDF as malicious. The primary attack pattern involves luring users to malicious sites via embedded links.
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.com/pify?keyword=latex+page+break
- http://files.3feetforpete.org/uploads/1/3/2/6/132696030/feaea8.pdf
- http://files.hansingelangoe.com/uploads/1/3/1/6/131606758/9176443.pdf
- http://files.heartlandhospicemj.com/uploads/1/3/1/3/131383247/3054710.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9715/3943/files/tozowawuzokuriwabadiba.pdf
- https://cdn.shopify.com/s/files/1/0429/1058/0903/files/1543577333.pdf
- https://cdn.shopify.com/s/files/1/0430/8323/5489/files/11367260204.pdf
- https://cdn.shopify.com/s/files/1/0432/2449/8343/files/park_tool_big_blue_book.pdf
- https://cdn.shopify.com/s/files/1/0431/4929/5776/files/xuluzaloro.pdf
- https://cdn.shopify.com/s/files/1/0430/5820/0730/files/gojaguvusofofogijadidol.pdf
- https://cdn.shopify.com/s/files/1/0431/5729/1169/files/dakaxuzitovamadabixe.pdf
- https://cdn.shopify.com/s/files/1/0438/7612/2792/files/xexolezoxasojosujinumevak.pdf
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/gabulax.pdf
- https://cdn.shopify.com/s/files/1/0431/2917/6232/files/ripigebozatolasuzedakikup.pdf
- https://cdn.shopify.com/s/files/1/0434/0944/0917/files/3532089291.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_off000062b7.bin89cfd22168279cec630b265174561a27356a5d96d1e8b92a6196dfc2a62dc82b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62B7 | 4988 bytes |
font_01_sfnt_off000073ca.bin03fb31bdadc7aa2a6ede419893f7ee1bac9126378d9e5d58e2bc742af0be49e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73CA | 9876 bytes |
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