MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a link to a known malicious redirector, ttraff.ru, which is designed to lead users to malicious content. The document body, though heavily obfuscated, contains the same URL and keywords related to diet PDFs, suggesting a lure to a phishing or malware distribution site. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content.
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.ru/pify?keyword=spanish+ketogenic+mediterranean+diet+pdf
- http://files.unknowngeniuses.com/uploads/1/3/2/6/132696604/4590500.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/3765/5191/files/bf-_888s_frequencies.pdf
- https://cdn.shopify.com/s/files/1/0433/5766/7487/files/17432410693.pdf
- https://cdn.shopify.com/s/files/1/0431/8691/3439/files/2766983693.pdf
- https://cdn.shopify.com/s/files/1/0434/2077/8653/files/donuromabito.pdf
- https://cdn.shopify.com/s/files/1/0433/6123/9192/files/depevuwevosu.pdf
- https://cdn.shopify.com/s/files/1/0429/9600/7065/files/bosch_ecosense_dishwasher_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/5019/5354/files/biological_weathering_of_rocks.pdf
- https://cdn.shopify.com/s/files/1/0462/6766/2490/files/bbs_4th_year_result_2076_with_marksheet.pdf
- https://cdn.shopify.com/s/files/1/0429/9295/9642/files/88733329200.pdf
- https://cdn.shopify.com/s/files/1/0429/5232/7324/files/nutrisi_hidroponik.pdf
- https://cdn.shopify.com/s/files/1/0437/6815/2216/files/65714733227.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_off000064b8.bind6ff74118f53c9071bdadb142f0895347da3eb6021eaa9f00b58a9935af5792f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64B8 | 5704 bytes |
font_01_sfnt_off000077ea.binf1f43afeece63eee381c32f7b252489f250e0080c68ef4eccc6af9e2227ae3c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77EA | 10232 bytes |
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