MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=shakespearean+sonnets+pdf', suggesting a lure to trick users into clicking malicious links. The ML classifier also strongly indicated maliciousness.
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=shakespearean+sonnets+pdf
- http://files.access7apploud.com/uploads/1/3/1/3/131380288/pepefasosux-faramo.pdf
- http://files.brilliantbackstraps.com/uploads/1/3/1/4/131453540/supezob.pdf
- http://files.mychildstherapy.com/uploads/1/3/2/3/132302894/votigumafefisom.pdf
- https://cdn.shopify.com/s/files/1/0432/1175/1579/files/4185965852.pdf
- https://cdn.shopify.com/s/files/1/0429/5802/8959/files/miwugif.pdf
- https://cdn.shopify.com/s/files/1/0431/1692/0996/files/42709117527.pdf
- https://cdn.shopify.com/s/files/1/0429/7578/9215/files/best_hand_mixer_2016.pdf
- https://cdn.shopify.com/s/files/1/0432/2348/2525/files/duzubozogogubajepijepozaj.pdf
- https://cdn.shopify.com/s/files/1/0431/7410/1160/files/rinufemidikipituwotawiwi.pdf
- https://cdn.shopify.com/s/files/1/0428/9301/7247/files/vista_128fbp_installation_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/5504/7068/files/google_sheets_capitalize_first_letter.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/monazata.pdf
- https://cdn.shopify.com/s/files/1/0430/1009/7313/files/6857281408.pdf
- https://cdn.shopify.com/s/files/1/0429/9826/8065/files/macos_sierra_app_store.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d20.binf2d3c055766820d71e0f09e6128cf3f50362ad53e70cc2dd5e052f2134048b86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D20 | 5264 bytes |
font_01_sfnt_off00007f04.bine51e9ba3d118e6dc75068d36a7b9146cf21abf2046dd0e693f5607cfad97ff29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F04 | 10192 bytes |
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