MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO poisoning tactic. One of the primary links directs to a known malicious redirector, indicating a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious.
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=building+construction+report+file+pdf
- http://tiwetizob.lemonsqueezykb.co.uk/uploads/1/3/1/6/131606407/29258325495ff.pdf
- http://pozut.myacousticlife.com/uploads/1/3/1/6/131606165/zuliduxevedixuwewu.pdf
- http://duvivebil.fsofl.org/uploads/1/3/1/3/131398455/fanozeja.pdf
- http://files.tellurianresearchpress.com.au/uploads/1/3/1/0/131071312/votexo_mutigotesaw.pdf
- http://files.josephfinley.com/uploads/1/3/2/8/132814972/jigeteb_xuwixaz_kevafijalok_wodopup.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/9488/2984/files/jepejimozuretetewokabisex.pdf
- https://cdn.shopify.com/s/files/1/0431/5840/5274/files/garax.pdf
- https://cdn.shopify.com/s/files/1/0430/7078/3645/files/feperud.pdf
- https://cdn.shopify.com/s/files/1/0427/7505/2454/files/11041194177.pdf
- https://cdn.shopify.com/s/files/1/0431/3320/6682/files/5e_winged_tiefling.pdf
- https://cdn.shopify.com/s/files/1/0429/0802/4985/files/sebewikitumeroro.pdf
- https://cdn.shopify.com/s/files/1/0431/3304/2839/files/jixuvabiwil.pdf
- https://cdn.shopify.com/s/files/1/0440/0028/0734/files/68774673069.pdf
- https://cdn.shopify.com/s/files/1/0440/8557/5845/files/pascal_s_triangle_java.pdf
- https://cdn.shopify.com/s/files/1/0431/5293/3020/files/jetuvebugipegudapow.pdf
- https://cdn.shopify.com/s/files/1/0431/2183/6193/files/42682948527.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_off00007e64.bin7286f1d66ba06b669a9b0ef7875e7714027c44231ac999fab1c1572e0c141805 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E64 | 5164 bytes |
font_01_sfnt_off0000900d.binc4677245027f8f897f9c4413650b45f358dffc90c8716e58e0263be082137ed2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x900D | 10140 bytes |
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